VOOZH about

URL: https://support.mozilla.org/en-US/contributors/most-visited

⇱ Most Visited | Mozilla Support


Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Most Visited

Article Visits Status
Use built-in VPN in Firefox 763,308
Captive portal detection 556,285
Make Firefox your default browser on Windows 353,759 Review Needed
Server Not Found - Troubleshoot connection problems 304,120 Review Needed
Secure connection and security warning error pages in Firefox 292,570 Review Needed
Thunderbird and Junk / Spam Messages 203,440
Insecure connection password warning in Firefox 166,434
About private browsing in Firefox for iOS 151,705 Review Needed
Change Firefox options, preferences and settings 125,607
Firefox Terms of Use FAQ 100,202
Firefox support for Windows 7, 8 and 8.1 99,161
Customize Firefox controls, buttons and toolbars 94,267
Update Firefox to the latest release 93,089
Use widgets on your Firefox New Tab page 71,989
Common Myths about Private Browsing 67,528
Sponsors on the home page and New Tab page 65,504
Manage local site storage settings 57,477 Review Needed
Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release 56,294
About Add-on Badges 54,606
Cookies - Information that websites store on your computer 52,880 Review Needed
What Windows 10 end of support means for Firefox users 51,189
About permission request messages for Firefox extensions 49,819
Restore your Firefox browsing data with a backup file 47,885
Enhanced Tracking Protection in Firefox for desktop 42,480 Review Needed
Fix error “Website will not allow Firefox to display the page.” 36,752
Access AI chatbots in Firefox 35,469
Firefox's performance settings 35,290
Troubleshoot time-related errors on secure websites 32,802
Customize Firefox Suggest settings 32,641
Firefox Translations 31,221
Fix "The bookmarks and history system will not be functional" error message 30,991
Where to find and manage downloaded files in Firefox 30,889
How to enable Windows SSO login in Firefox 26,619
Clear cookies and site data in Firefox 26,354
Firefox translation for Android 26,146
Does Firefox share my location with websites? 24,230
Filelink for Large Attachments 23,998 Review Needed
View site information with Page Info 23,881
Import data from another browser 23,269 Review Needed
Install Firefox on Linux 23,253 Review Needed
Back up and transfer your Firefox data to a new device 23,227
Password Manager - Remember, delete and edit logins and passwords in Firefox 22,023
How to clear the Firefox cache 21,868
Private Browsing on Firefox for Android 20,777
Watch DRM content on Firefox 20,451
Refresh Firefox - reset add-ons and settings 20,351
Access Mozilla services with a Mozilla account 20,038
Enhanced Tracking Protection in Firefox for Android 19,284
Extensions in Private Browsing 18,880
How to set the home page 17,194
Manage my default search engines in Firefox for Android 16,803 Review Needed
Web Push notifications in Firefox 16,446
Third-party trackers 16,081
Use Troubleshoot Mode in Firefox 15,478
View and edit PDF files using Firefox’s built-in viewer 14,471
Allow or block media autoplay in Firefox 14,330
Avoid and report Mozilla tech support scams 14,128
How to set up Firefox Sync in Firefox for Android 13,640
Find what version of Firefox you are using 13,579
End of support for Mozilla Hubs 13,433
Troubleshoot security error codes on secure websites 13,164
Pop-up blocker settings, exceptions and troubleshooting 13,069
Profiles - Where Firefox stores your bookmarks, passwords and other user data 12,734
Connection settings in Firefox 12,602
Configuration Editor for Firefox 12,270
Configure DNS over HTTPS protection levels in Firefox 11,991 Review Needed
Pocket has shut down - What you need to know 11,863 Review Needed
Manage Firefox data collection and privacy settings 11,467
Manage the devices linked to your Mozilla account 11,451
How to manage your camera and microphone permissions with Firefox 11,168
How to install Firefox on Windows 11,135
Manage Firefox profiles 11,043
Recover lost or missing Bookmarks 10,970
Manually back up and restore Firefox profile data 10,704
Customize items on your Firefox New Tab page 10,662
Windows 10 warns me to use a "Microsoft-verified" app 10,555
Profile Manager - Create, remove or switch Firefox profiles 10,323
Control AI features in Firefox for Android 10,293
How do I set up Sync on my computer? 9,916
Disable or remove Add-ons 9,713
Private Browsing - Use Firefox without saving history 9,607
Fix Firefox using too much memory or CPU resources 9,486
Make Firefox your default browser 9,262 Review Needed
Add-on signing in Firefox 9,119
Channel Choices for Thunderbird Snap and Flatpak 9,116
Keyboard shortcuts - Perform common Firefox tasks quickly 8,942
Delete browsing, search and download history on Firefox 8,724
Firefox Password Manager - Alerts for breached websites 8,171
Install an older version of Firefox 7,682
Restore bookmarks, passwords and data from an old Firefox profile 7,568
Tab groups in Firefox 7,400
Split View in Firefox 7,398
Recommended Extensions program 7,050
Secure your Mozilla account with Two-Step Authentication 7,013
How to disable the Enterprise Roots preference 6,988
Manage technical and interaction data collection settings in Firefox 6,508
Compacting folders 6,439
Manage remote improvements settings in Firefox 6,325
Use Firefox to summarize webpages 6,264
Quick actions in the Firefox search bar 6,231
Block generative AI features with Firefox AI controls 6,123
Set up two-factor authentication on your Mozilla account 6,083
Find and install add-ons to add features to Firefox 6,011 Review Needed
Upgrade your graphics drivers to use hardware acceleration and WebGL 5,956
Manage Firefox search settings 5,815
Personalized extension recommendations 5,679
What if I'm locked out of Two-Step Authentication? 5,635
Thunderbird add-ons - frequently asked questions 5,438
Global Privacy Control 5,242
Restore previous session - Configure when Firefox shows your most recent tabs and windows 5,200
I'm having problems with my Mozilla account 5,192
What is Mozilla VPN and how does it work? 5,132
Run Firefox on ChromeOS 5,027
Cannot remove an add-on (extension or theme) 4,952
Deploy Firefox with MSI installers 4,891
JavaScript settings and preferences for interactive web pages 4,851
Firefox can't load websites but other browsers can 4,846
Mobile - Manage Firefox data collection and privacy settings 4,799
Firefox Reader View for clutter-free web pages 4,762
Import bookmarks and other data from Google Chrome 4,652
Remote Content in Messages 4,587
Unable to find the built-in VPN in Firefox 4,557 Review Needed
Manage optional permissions for Firefox extensions on Android 4,524
Open Firefox automatically when you start your computer 4,505
Websites don't load - troubleshoot and fix error messages 4,427
Automatically fill in credit and debit card payment methods data on web forms 4,412
Summarize webpages in Firefox for Android 4,377
Introducing Total Cookie Protection in Standard Mode 4,361
Reset your Mozilla account password with Recovery Keys 4,354
Troubleshoot and diagnose Firefox problems 4,274
Export Firefox bookmarks to an HTML file to back up or transfer bookmarks 4,269
How to download and install Firefox on Mac 4,205
How to use Firefox containers 4,108
New Tab page in Firefox 4,073
Understanding the risks of installing self-hosted extensions 3,971
Switch from Chrome to Firefox 3,959
Profiles - Where Thunderbird stores your messages and other user data 3,933
Download and install Mozilla VPN on Windows 3,922
Take screenshots in Firefox 3,912
Manage marketing data settings in Firefox for Android 3,900
Use a Primary Password to protect stored logins and passwords 3,869
Search suggestions in Firefox 3,851
Use Google Trending Search in the Firefox address bar 3,816
Why are some add-ons not allowed on sites restricted by Mozilla? 3,800
Secure website certificate 3,751
Move Thunderbird data to a new computer 3,696 Review Needed
Warning Unresponsive script - What it means and how to fix it 3,655
Uninstall Firefox from your computer 3,624
Automatically fill in your address on web forms 3,593
How does built-in Phishing and Malware Protection work? 3,509
Pinned Tabs - keep favorite websites open and just a click away 3,409
HTTPS-Only Mode in Firefox 3,351
Control personal device and local network permissions in Firefox 3,339
Add Firefox Relay to the Firefox password manager 3,319
My sign in was blocked for security reasons on Mozilla account 3,288
Crash reports in Firefox for Android 3,284
How do I use the Firefox spell checker? 3,274
Search with the Firefox address bar 3,242
Recommendations from Firefox 3,223
Restore bookmarks from backup or move them to another computer 3,219
Websites say cookies are blocked - Unblock them 3,180
How do I delete my Mozilla account? 3,131
Control AI features in Firefox for iOS 3,012
Bookmarks in Firefox 2,995
End of support for Firefox on Amazon Devices 2,977
Recover user data missing after Firefox update or reinstall 2,962
Use Firefox in another language 2,950
Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window 2,845
Manage daily usage ping data collection settings in Firefox 2,835
Add or remove a search engine in Firefox 2,813
Keyboard shortcuts - perform common Thunderbird tasks quickly 2,740
Firefox hangs or is not responding - How to fix 2,731
Turn picture-in-picture mode controls on and off 2,707
Set Firefox as your default browser on Android 2,705
Recommended stories on the Firefox New Tab page - FAQ 2,704
How do I restore my tabs from last time? 2,682
Restore the Menu bar in Firefox 2,682
Get started with Firefox - An overview of the main features 2,671
Permission request messages for Thunderbird extensions 2,655
Scan QR codes in Firefox for iOS 2,612
Sync Firefox data 2,579
Task Manager - see whether tabs or extensions are slowing down Firefox 2,532
Firefox DNS over HTTPS 2,520
How to restore a browsing session from backup 2,513
Export your Thunderbird Profile 2,364
Third-party cookies and Firefox tracking protection 2,360
Import settings and data into Thunderbird 2,356
Install Thunderbird on Windows 2,317
Mozilla account - Managing account data 2,304
Thunderbird and Gmail 2,304
Install Thunderbird on Linux 2,244
Customize Firefox using Group Policy (Windows) 2,222
Organize your messages with filters 2,208
Update Thunderbird to the latest version 2,196 Review Needed
How do I turn on the Do Not Track feature? 2,152
Manual Account Configuration 2,131
About Picture-in-Picture in Firefox 2,109
Create a desktop shortcut to a website 2,106
Multi-Account Containers 2,050
Enhanced Tracking Protection in Firefox for iOS 2,029
Blocking a sender 2,023
Firefox connection upgrades - HTTP to HTTPS 2,008
Can't add, change or save bookmarks - How to fix 2,006
Customize keyboard shortcuts in Firefox 1,983
OAuth2 Authentication for Yahoo, AOL and ATT 1,983
Block websites from storing cookies and site data in Firefox 1,975
Add alt text to images in your PDFs using Firefox 1,965
Download Mozilla VPN on your desktop or mobile device 1,948
Font size and zoom - increase the size of web pages 1,931
Manage extension shortcuts in Firefox 1,926
How to install Mozilla VPN on a Linux computer 1,908
Mixed content blocking in Firefox 1,874
Setup your email account for using End-To-End Encryption 1,874
Troubleshoot Firefox updates and the Helper tool 1,866
Manage file types and download actions in Firefox 1,856
Use the Troubleshooting Information page to help fix Firefox issues 1,832
On-device AI models in Firefox 1,827
Control whether Firefox automatically fills in forms 1,818
Firefox security features warning on Linux 1,809
Troubleshoot Firefox crashes (closing or quitting unexpectedly) 1,780
Choose a strong password 1,775
HTTPS-Only Mode in Firefox for Android 1,747
Configure firewalls so that Firefox can access the Internet 1,723
Tab preferences and settings 1,708
How to select a Thunderbird release channel 1,707
Fix common audio and video issues 1,705
Custom installation of Firefox on Windows 1,671
Signatures 1,665
Download Firefox on Windows from the Microsoft Store 1,635
Use the sidebar to access tools and vertical tabs 1,633
Use web apps in Firefox for Windows 1,620
Troubleshoot Firefox issues caused by malware 1,614
How do I report a broken site in Firefox desktop? 1,609
Profile Manager - Create and remove Thunderbird profiles 1,602 Review Needed
Introduction to End-to-end encryption in Thunderbird 1,580
Export login data from Firefox 1,578
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems 1,570
Accessibility features in Firefox - Make Firefox and web content work for all users 1,566
Quick fixes if your Firefox slows down 1,557
Automatically trust third-party root certificates 1,547 Review Needed
Automatic Account Configuration 1,546
Change the primary email address on your Mozilla account 1,540
About Studies 1,527
What to do if Firefox won't play any sounds 1,525
Passwordless login for Mozilla accounts 1,518
Setting Firefox as the default browser does not work - What to do 1,498
Set up Certificate Authorities (CAs) in Firefox 1,483
Configure DNS over HTTPS protection levels in Firefox for Android 1,463
Manage marketing data settings in Firefox for Desktop 1,463
Control audio or video playback with your keyboard 1,451
Getting Started with the Thunderbird main window (Supernova and newer) 1,449 Review Needed
Update to the latest version of Firefox for Android 1,445
Fix problems that cause images to not show 1,417
Password Manager - Remember, delete and change passwords in Thunderbird 1,415
Import settings and data into Thunderbird for Android 1,413
Get started with the Mozilla VPN extension 1,412
Ignoring threads 1,382
Is Mozilla VPN free? 1,382
Share browser windows or your screen with sites you trust 1,381
Using Thunderbird with Google Calendar 1,374
Unload inactive tabs to save system memory in Firefox 1,363
Unable to use profile when you launch an older version of Thunderbird 1,341
Troubleshoot Mode Thunderbird 1,340
Generate a secure password in Firefox 1,331
Thunderbird and Exchange 1,308
Import Bookmarks from an HTML file 1,307
Instructions for obtaining a personal S/MIME certificate by creating a CSR 1,294
Find and install extensions on Firefox for Android 1,287
Use Firefox in Full Screen mode 1,270
Customize the Firefox home screen 1,268
Remove websites from the address bar suggestions 1,260
Sync bookmarks, logins and browsing history on Firefox for iOS 1,258
Will Firefox work on my mobile device? 1,239
Manage Firefox with Microsoft Endpoint Manager (Intune) 1,234
Firefox's protection against fingerprinting 1,231
How do I choose what information to sync on Firefox? 1,230
Mozilla account on support.mozilla.org 1,224
What to do if you can't download or save files 1,208
An extension changed my New Tab page or home page 1,200
Change the fonts and colors websites use 1,200
Add the Search bar to your Firefox toolbar 1,193
Firefox has ended support for Windows XP and Vista 1,193
How to reset your password without Account Recovery Keys and regain access to your data 1,178
SmartBlock for Enhanced Tracking Protection 1,175
Address bar autocomplete suggestions in Firefox 1,164
Import login and password data from a file 1,161
Customize Firefox using policies.json 1,156
Browsing history in Firefox - View the websites you have visited 1,143
Add a Firefox widget to your Home screen 1,114
Firefox ESR release cycle 1,112
Change website appearance settings in Firefox 1,111
"Firefox is already running but is not responding" error - How to fix 1,105
Thunderbird ESR 1,102
Change your location for a specific website 1,095
Microsoft OAuth Authentication and Thunderbird in 2024 1,094
Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work? 1,084
View synced tabs from other devices 1,051
Send plugin crash reports to help Mozilla improve Firefox 1,039
How do I tell if my connection to a website is secure? 1,024
Manage your logins with the Firefox Password Manager 1,013
Legacy browser support extension for Windows 1,011
Cannot send messages 1,007
Install Firefox on your phone or tablet 997
Choose your preferred PDF viewer in Firefox 980
How to change or reset your Mozilla account password 980
Installing an Add-on in Thunderbird 980
Clear browsing history in Firefox for iOS 964
Use the Firefox Sidebar to access bookmarks, history, passwords and synced tabs 957
How to perform Sync on Firefox desktop 943
Use themes to change the look of Firefox 943
What is Firefox Focus for iOS? 943
In which countries is Mozilla VPN available to subscribe? 942
Firefox won't start - find solutions 926
How to use AI-enhanced tab groups 926
Clear your browsing history and other personal data on Firefox for Android 917
Gmail and Thunderbird for Android 914
Use gestures in Firefox for Android 906
Site Permissions panel 902
Configure push email for Thunderbird for Android 900
Audio and video files in Firefox 893
Send Tab from Firefox desktop to other devices 892
What's new in Firefox for Android 892
Protect privacy while using Web Authentication 889
Customize Firefox Home on iOS 884
Manage your extensions using the extensions button in the toolbar 884
What do the security warning codes mean? 883
View synced tabs from other devices in Firefox for Android 872
Extension data collection 871
How to change the Thunderbird layout 864
I'm having problems confirming my Mozilla account 857
Reset Firefox preferences to troubleshoot and fix problems 852
Enable background updates on Firefox for Windows when Firefox is not running 845
Choose display languages for multilingual web pages 844
Why is there an OpenH264 plugin in Firefox? 834
Managing Account Data 828
Secure Firefox passwords with device sign-in 828
Trackers and scripts Firefox blocks in Enhanced Tracking Protection 825
Unload tabs to reduce system memory usage in Firefox 823
Use tabs to organize lots of websites in a single window 816
Usernames and passwords are not saved 799
Deploy Firefox on macOS using PKG and Jamf 798
Fix printing problems in Firefox 794
Compact mode workaround in Firefox 791
Turn on Mozilla VPN on your Android device 781
Manage saved passwords in Firefox for iOS 774
Add-ons in Firefox for iOS 767
Archived Messages 764
How to reset the default user agent on Firefox 764
Block and unblock websites with parental controls on Firefox 759
How to run Firefox when your profile is missing or inaccessible 757
Set up a passcode and Face ID in Firefox for iOS 753
Collections in Firefox 752
How to print web pages in Firefox 742
Add custom search engines in Firefox 741
Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings 741
How to save a web page 738
Disable Mozilla VPN protection for a specific website 733
Rebuilding the Global Database 726
Resist Fingerprinting 724
Manage Firefox updates 717
Websites look wrong or appear differently than they should 705
Where to find release notes for Firefox for Enterprise 701
Firefox View - Access pages from open tabs, recently closed tabs, tabs from other devices and browsing history 699
Preview webpages in Firefox with link preview 695
Clear recent searches from the Search bar 683
How to silently install/uninstall Firefox for Enterprise 683
Crash reports in Firefox for iOS 679
How to stop Firefox from making automatic connections 679
Add search engines in Firefox Focus for iOS 674
Firefox and other browsers can't load websites 669
Message threading in Thunderbird - keep messages grouped by conversation 669
Install Firefox on your iPad, iPhone or iPod 662
I've lost my Firefox Sync account information - What to do 658
Control Firefox New Tab personalization 654
Activate Firefox Relay - Mask your email address 647
Fix login issues on websites that require a username and password 632
OpenPGP in Thunderbird - HOWTO and FAQ 626
Add a website shortcut to your home screen on Android 625
Cannot receive messages 617
Firefox Suggest for Mobile 616
Unsent crash reports in Firefox 605
Manage tabs in Firefox for Android 597
How to download and install Mozilla VPN on Android 596
Disable Firefox Sync 585
How to download and install Mozilla VPN on macOS 585
How to let Firefox use the internet on your Windows computer 584
Change your Mozilla account password 576
Allow Mozilla VPN to run in the background on macOS 571
Customize Date and Time formats in Thunderbird 564 Review Needed
Install Thunderbird on Mac 559
Manage Enhanced Tracking Protection exceptions 556
Switch from POP to IMAP account 552
Dedicated profiles per Firefox installation 551
Thunderbird Telemetry 550
Are there limits to my Mozilla VPN connection? 544
Unable to install add-ons (extensions or themes) 543
Site Information panel 540
Search open tabs in Firefox 530
Search the web via images in Firefox with Google Lens 529
Site Permission Add-ons 529
Firefox for Enterprise Kiosk mode 527
Autofill logins on Firefox 526
Mozilla Monitor - Frequently asked questions 526
Frequently Asked Questions 524
Use multiple profiles in Thunderbird 524 Review Needed
Get started with Thunderbird 523
Download and install Mozilla VPN on iOS 522
How do I delete a bookmark? 521
Remove a synced device from your Mozilla account 519
Sign in to a Mozilla account using 3rd-party authentication 517
View articles in Reader View on Firefox for Android 515
Firefox keeps crashing at startup 514
Where are my logins stored? 512
How Firefox securely saves passwords 510
How it works - Firefox Weather 505
How to fix the Update Failed error message when updating Firefox 504
New in Thunderbird Desktop 501
Thunderbird Release 501
How the Firefox desktop launcher works 498
Configuration Options for Accounts 494
Canary domain - use-application-dns.net 489
Clear cookies and website data for a single domain in Firefox for Android 484
Reset your Primary Password if you've forgotten it 481
Troubleshoot Mozilla VPN connection problems 481
Import Bookmarks and other data from Microsoft Edge 476
How do I change to the desktop view in Firefox for Android? 472
Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release 471
Manage optional permissions for Firefox extensions 457
Getting Started with Thunderbird Pro 456
Fix video and audio problems on Firefox for Windows N editions 455
DNS over HTTPS (DoH) FAQs 451
Customize Firefox using AutoConfig 450
I found a fake Firefox update 449
Protect your Thunderbird passwords with a Primary Password 440
Thunderbird for Desktop and Thundermail 438
How to Subscribe to News Feeds and Blogs 436
Tab overview menu 434
Install Firefox on an Android device using Google Play 428
Install themes to change the look of Thunderbird 425
New Email Address 424
How to opt out of studies on Firefox for iOS 423
Change the program used to open email links 422
What is the Mozilla Maintenance Service? 420
Facebook Container - Prevent Facebook from tracking you on other websites 418
Importing Safari data into Firefox 417
Choose a Firefox update channel 416
Fix problems connecting to websites after updating Firefox 416
How do I choose my server on Mozilla VPN? 414
Is Mozilla VPN compatible with my device? 414
IMAP Synchronization 407
Changes to toolbars and window sizes are not saved 405
Protect your container tabs with Mozilla VPN 404
Scan QR codes in Firefox for Android 401
Change your wallpaper in Firefox for Android 397
How do I cancel my subscription to Mozilla VPN? 396
Disable password saving in Firefox 395
How to create and use mailing lists on Thunderbird 392 Review Needed
How to add devices to your Mozilla VPN subscription 391
End of support for Firefox Private Network 389
Import bookmarks to Firefox for Android 389
Playing videos in Firefox for Android 389
How do I create a screenshot of my problem? 385
How can I tell if Mozilla VPN is connected? 383
Firefox is stuck in Troubleshoot Mode 382
Websites show a spinning wheel and never finish loading 382
Firefox for Enterprise 151 - Release notes 381
How to search the contents of the current page for text or links 381
Prerequisite for sending an encrypted email message 380
How to add, remove, edit and move bookmarks in Firefox for iOS 368
How to enable Always-on VPN on Android 368
Set a homepage in Firefox for iOS 367
Firefox Labs - Explore experimental features in Firefox 365
Firefox starts automatically when I restart Windows 364
Use bookmark folders to organize your bookmarks 364
How do I change my DNS settings? 363
Change your default search engine in Firefox for iOS 358
Send and receive messages in Thunderbird 356
How to opt out of studies on Firefox for Android 355
How to update add-ons 355
Recommended Firefox privacy and security settings for families 355
Downloads in Firefox for Android 353
End of support for Firefox Lite 352
How to search IMDB, Wikipedia and more from the address bar 352
Switching to Thunderbird 350
Set Firefox for Android to open links in native apps 349
How to fix preferences that won't save 347
Config Editor 346
How do I know the status of my sync? 342
Upgrade your subscription 340
Firefox advanced customization and configuration options 338
Access your add-ons with a Mozilla account 333
FAQ Changing IMAP to POP 333
Clear your browsing history in Firefox for Android 331
About your important data and their files 329
Firefox repeatedly opens empty tabs or windows after you click on a link 329
Add trusted websites to your allow list in Firefox Focus 326
Firefox has ended support for 32-bit Linux 326
HTTPS-First upgrades to secure connections 326
Global Search 325
How to sign in to Mozilla VPN 323
Getting started with Thunderbird for Android 321
Enforce policies on Firefox for Enterprise 317
Tips for assessing the safety of an extension 313
Update Firefox to prevent add-ons issues from root certificate expiration 312
Choose the Mozilla VPN plan that is right for you 308
Thunderbird Beta 306 Review Needed
Autocomplete web addresses in the URL bar in Firefox Focus for iOS 305
Firefox takes a long time to start up 305
Use Web Apps with Firefox for Android 302
OAuth2 for Thunderbird 301
Built-in themes in Firefox - alternative to complete themes 299
Mozilla Crash Reporter 294
Get started with Mozilla Monitor 293
Mozilla service providers and partners 293
How to stay safe on the web 291
Search suggestions in Firefox Focus for iOS 290
Why does Mozilla disable some add-ons from running in Firefox? 287
Certificate contains the same serial number as another certificate 286
Disable Firefox Sync on a lost phone or tablet 284
Thunderbird Accessibility Features 277
How do I request a refund for Mozilla VPN? 275
How Thunderbird for Android avoids leaking your IP address to SMTP servers 275 Review Needed
Assign shortcuts to search engines 274
Create a shortcut to a website on Firefox for Android 274
Unify your POP email accounts with a global inbox 274
Configure networks to disable DNS over HTTPS 271
How do I uninstall Mozilla VPN? 269
Block links from opening in external apps 268
Delete sync data from Firefox by signing out of your Mozilla account 267
Display the Thunderbird menus and toolbar 267
Dedicated profile per Thunderbird installation 266 Review Needed
How to pin and unpin Firefox from the taskbar on Windows 10 and Windows 11 266
OpenPGP Recipient Alias Configuration 257
How file downloads are handled in Firefox 256
Feed reader replacements for Firefox 254
How to add the translate add-on to Firefox 253
Remove a toolbar that has taken over your Firefox search or home page 253
Crash reports in Firefox for Desktop 252
Get started with Smart Window 248
Use mouse shortcuts to perform common tasks in Firefox 247
Understand Encrypted Client Hello (ECH) 246
Add a website shortcut to your home screen on iOS 245
Uninstall Thunderbird from your computer 245
View web pages in Reader View 245
Is Firefox available for iPhone or iPad in my language? 242
Maildir in Thunderbird 241
Manage saved passwords in Firefox for Android 241
Mozilla Crash Reporter TB 241
How to move the address bar in Firefox for iOS 240
Manage notifications in Firefox for Android 238
Resolve “The installation seems to be incomplete/corrupt” error in Firefox on Windows 236
How do I contact MDN Plus support? 234
New email notifications in Thunderbird 232
Playing 4K (Ultra-High Definition) YouTube videos in Firefox 232
Firefox Translations Add-on 231
Firefox update notifications on Windows 230
End of support for Firefox Lockwise 229
Change your two-step authentication device for your Mozilla account 227
Hyperlinks in messages do not work 227
Access hidden tabs in Firefox 225
Thunderbird and OpenPGP Alias Keys 225
Oblivious HTTP (OHTTP) explained 224
Quick Filter Toolbar 224
Make Thunderbird the Default Mail Client 223
Thunderbird for Android 8 FAQ 222
Bookmark Tags - Categorize bookmarks to make them easy to find 221
Thunderbird Daily 221
Add the Firefox Search widget to your home screen 220
Thunderbird 78 FAQ 220
Digitally Signing and Encrypting Messages 219
Set Firefox as the default browser for iOS 219
Move the navigation bar to the top or bottom of the app in Firefox for Android 218
Mozilla VPN - FAQ 217
Tab context menu 217
Information for EU, EEA, Swiss, California, Connecticut, Virginia and Utah users 216
Add, delete and view bookmarked webpages in Firefox for Android 214
Total Cookie Protection and website breakage FAQ 214
Thunderbird Mobile Telemetry 212
Domains to allow for Firefox 211
How to configure Close Tab warnings in Firefox 207
Sort your bookmarks to quickly find the ones you want 207
Edit or delete a login with the Firefox Password Manager 204
How do I change my Privacy features? 203
How is Firefox for Enterprise different from normal Firefox? 203
Windows in S mode won't let me install Firefox 201
Firefox says it's just updated every time it starts - how to fix 200
Where are my synced tabs in Firefox for iOS? 200
Mozilla account deletion due to inactivity 199
Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix 198
How to sign up for Mozilla VPN 198
What is the winmail.dat attachment? 198
Fix “Support ending for Intel-based Apps” warning in Mozilla VPN on macOS 197
Explore the toolbar in Firefox for Android 195
Export bookmarks to Safari 195
Thunderbird makes unrequested connections 195
Firefox privacy and security features 194
Manage tabs in Firefox for iOS 191
Mask your phone number with Relay Phone Masking 190
Message Tags - Categorize your email in Thunderbird 190
Encrypted Client Hello (ECH) - Frequently asked questions 189
Personalize Firefox with colorways 189
Text Encoding no longer available in the Firefox menu panel 189
Translate webpages in Firefox for iOS 189
Add web page shortcuts to your Home screen 187
Best practices for installing and updating Firefox 187
Block cookie banners on Firefox 185
Is Smart Window safe and private 185
The difference between IMAP and POP3 185
Deploy Firefox with extensions 184
Add a login with the Firefox Password Manager 183
Firefox release notes - What's new and known issues 182
How do I report an issue with Firefox Relay? 182
Joining public WiFi while on Mozilla VPN 182
Using Identities 182
I can't sign in to Mozilla VPN - What should I do? 181
Search your browsing history and bookmarks in Firefox for Android 181
Sync logins in Firefox for iOS 181
Fix “Support ending for Intel-based Apps” warning in Firefox for macOS 179
Forget button - quickly delete your browsing history on Firefox 179
Thunderbird Software Update Failed 179
Firefox does not work - Common fixes to get you back up and running 177
How to obtain the Mozilla VPN Logs 177
How do I copy and paste text on Android? 176
How do I share things from Firefox for Android? 176
Create an email mask through Firefox Relay 175
Change your default browser 172
Get started with Firefox for Android on tablets 172
Quickly access previously generated masks 172
Reset your Mozilla account password to protect your credentials 172
Save web pages as PDF in Firefox for Android 171
WebXR Permission Info Page 169
How to Use Find in Page for Firefox for Android 168
Shop online with more confidence using Firefox Review Checker 168
Firefox for iOS won't load web pages 167
Vacation Response 167
Explore the Firefox for Android menu 165
Firefox doesn't save web form entries 164 Review Needed
How to Use Attachments 164
Thunderbird and Hotmail 164
Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN 163
Which version of Firefox am I using? 163
How do I block phone calls or texts to my Relay Phone mask? 162
Instant Messaging and Chat 162 Review Needed
Adding a holiday calendar 161
Firefox Browser welcome pages - helping you get more from Firefox products and services 161
How do I update my payment information on Mozilla VPN? 161
Mute sound in Firefox tabs 160
Use Multi-Account Containers with Mozilla VPN 160
Using Dark Theme in Firefox for Android 160
Exclude applications from Mozilla VPN protection 159
How do I share Firefox between people on a computer? 159
How to automatically label your new email masks 159
Install the Firefox Relay extension on Firefox for desktop 159
Wrong home page opens when I start Firefox - How to fix 159
Create new calendars 157
Get your local weather forecast from the Firefox address bar 157
Repackage the Windows installer 156
Add web pages to your Reading List on Firefox for iOS 154
How do I tell if I have the 32-bit or 64-bit Firefox? 154
Thunderbird FAQ 154
View bookmarks on your home screen 154
Viewing Desktop Sites on Firefox iOS 154
Review your Mozilla account activity and protect your data 153
Thunderbird 115 Supernova FAQ 153
What is the Mozilla VPN kill switch? 153
Firefox Support for Organizations 152
Tab Notes in Firefox 152
How to use collections on addons.mozilla.org 151
Where to go for developer support 151
Avoid getting locked out of your Mozilla account 150
Connecting to unsecured networks while using Mozilla VPN 150
How Firefox Sync keeps your data safe even if TLS fails 150
Identify problems caused by third-party modules in Firefox for Windows 150
Getting started with the Thunderbird main window 149
Why Firefox says "Your browser is being managed by your organization." 149
How does Firefox for iOS use the permissions it requests? 148
How to disable or change the Thunderbird start page 148
Control personal device and local network permissions on Firefox for Android 146
How does Firefox for Android use the permissions it requests? 146
Thunderbird Matrix Chat FAQ 146
Add or edit your Monitor information 145
How to Customize the New Mail Sound 145
Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication 144
Find what version of Thunderbird you are using 144
Thundermail and Thunderbird for Android 144
Firefox Focus main Menu 143
What is Firefox Focus for Android? 143
Can I use my screen reader with the new Firefox? 142
Print simplified, clutter-free pages in Firefox 142
How do I reset Mozilla VPN? 141
Manage bookmark folders in Firefox for Android 141
Open PDFs in Firefox for Android 141
OpenPGP keys might be authentic or counterfeit 141
Choose your opening screen for Firefox for Android 138
How Review Checker preserves user privacy 137
Subscribe to Firefox Relay Premium 137
Switching the folder pane view 137
Customize Firefox on macOS using configuration profiles 134
Review installed extensions 134
View mobile bookmarks on your computer 134
Fix problems with Facebook games, chat and more 133
Unlink your Google or Apple ID from your Mozilla account 133
Privacy-Preserving Attribution 131
Export and share a calendar 130
How to use a Virtual Card (vCard) 130
Add a secondary email address to Mozilla accounts 128
Custom Models in Smart Window - Bring your own endpoint 128
Make reading easier with Firefox's contrast control settings 128
Firefox Relay - Email and Phone masks 127
Voice input in Firefox for Android 124
Explore the toolbar in Firefox for iOS 123
OpenPGP in Thunderbird for Android - How To 123
Zoom in and out of websites on Firefox for Android 123
Thunderbird’s Scam Detection 122
How do you use Adjust in Firefox? 121
Message List Columns 121
Firefox Focus for Android - Frequently asked questions 120
Firefox keeps asking me for Primary Password 119
How to Install and Use another Language in the Dictionary on Thunderbird 119
Deploy Firefox with language packs 118
Primary Password is replacing Master Password in Thunderbird 118
Cannot delete messages 117
How do I share a tab from Firefox for Android? 117
How to Customize Toolbars 117
Profiling Thunderbird Performance 115
Upgrading from an older version of Thunderbird 115
How can I send a large attachment? 114
What is Mozilla Connect? 114
Firefox for Android’s protection against fingerprinters 113
Safari Integration in Firefox Focus for iOS 113
Solutions for "Can not create temp folder archive" error when installing Firefox (Windows 10) 112
How does Firefox Focus for iOS use the permissions it requests? 111
See active policies on Firefox for Enterprise 111
Firefox for Enterprise 78 - Release notes 110
Search your browsing history in Firefox for iOS 110
Add a search engine to Firefox Focus for Android 109
Download photos and files on Firefox for iOS 108
Unable to uninstall add-ons (extensions or themes) 108
View synced tabs from other devices in Firefox for iOS 108
How do I monitor multiple email addresses? 107
Turn on/off saved logins, login sync and login autofill in Firefox for Android 107
View and control data collected by Mozilla VPN 106
Firefox Relay Premium FAQ 105
I forgot my Mozilla account password and I can't sign in to Mozilla VPN 105
Install the Thunderbird Pro Add-on in Thunderbird Desktop 105
Re-enable add-ons that were disabled when updating Firefox 105
Change your wallpaper in Firefox for iOS 104
My default search engine changed after updating Firefox 104
Choose your opening screen for Firefox for iOS 103
How can I contact support if I can’t sign in to Mozilla VPN 103
How can I help submit and resolve bugs in the MDN content repo? 103
Addressing an Email 102
A program on your computer interferes with the Mozilla VPN extension 102
I forgot my password for Mozilla account and I can't sign in to Firefox Relay 102
Work with events 102
Customize your Firefox app icon on iOS 100
Monitor Plus has shut down – what you need to know 100
Understanding in depth the profile per installation feature 100
How do I contact support for Relay Premium? 99
Names but no Email Addresses are Displayed 99
Thunderbird release notes - What's new and known issues 99
Telemetry collection - Windows default browser trends 98
Enable or disable search engines on Firefox for iOS 97
Problems with email and how to find help 97
Using Saved Searches 96
Change the default language on Firefox for iOS 95
How do I quit Firefox for Android? 95
Notifications in Thunderbird 95
Some videos won't play in background 95
Recover user data missing after Thunderbird update 94
Remove the Other Bookmarks folder from the Bookmarks Toolbar 94
Thunderbird and Logjam 94
Advanced panel - System, network, updates, and other advanced settings in Thunderbird 93
Memories in Smart Window 93
Open Search 93
Change the default language of Firefox for Android 91
Manage policies on macOS desktops 91
Use tabs in Firefox for iOS 91
X-Mouse Button Control in Firefox 110 91
How do I reply to a text message sent to my phone mask? 90
What's new in Firefox for iOS (version 39) 90
Data Loss Prevention 89
Manage your Monitor notifications 89
Suspicious activity on my Mozilla account 89
Unified Toolbar 89
What's New in Firefox Klar for iOS 89
Firefox macOS session resume feature 88
Keyboard shortcuts in Firefox for iOS 88
New in Thunderbird for Android version 8 88
Home page with pipe character opens extra tabs when Firefox starts 87
Uninstall Firefox for Android extensions 87
View recent tabs on your Firefox for iOS homepage 87
Accessibility not available during multi-process support 86
Change themes in Firefox for iOS 86
Fix Thunderbird not opening on macOS due to Rosetta 86
Manage the Mozilla VPN extension preferences 86
Reply to forwarded emails with Firefox Relay Premium 86
Compacting folders - Potential complications 85
How do I update Mozilla VPN? 85
Security panel - Junk, scam, antivirus, and password settings in Thunderbird 85
Troubleshooting speed issues on Mozilla VPN 85
Use a Primary Password with Sync 85
Certificate warnings in Firefox for iOS 84
Thunderbird end of Support for XP and Vista 84
Stop screen brightness from dimming in Thunderbird for Android 83
Where can I view my MDN Plus subscription information? 83
Explore the Firefox for iOS menu 82
Harmful add-on protection 81 Review Needed
What's new in Firefox for iOS (version 96) 81
Add Search Engine to Open Search 80
Model choices in Smart Window 80
New in Thunderbird 102 80
Tables - Format messages with rows and columns 80
Why do I get a harmful download message when downloading Firefox on Windows? 80
How it Works - Respectful Ads @ Mozilla 79
Manage multiple tabs in Firefox for Android 79
How to manually add accounts to the password manager in Firefox for iOS 78
Mobile Accessibility Features 78
Block deceptive content and dangerous downloads in Firefox 77
Test versions of Firefox for your organization 77
View recently saved bookmarks from your homepage on Firefox for iOS 77
What's New in Firefox Focus for iOS 77
Automatically launch Mozilla VPN when your device starts 76
Grant camera access to Firefox for Android 76
Receive only important emails sent through your masks with Firefox Relay Premium 76
Save web pages as PDFs in Firefox for iOS 76
What's new in Firefox for iOS (version 109) 76
Glossary of Terms including types of Accounts 75
Lock your private tabs on Firefox for Android 75
Recommended Firefox extensions for families and students 75
What are email trackers and how can I block them with Firefox Relay? 75
Integrate Firefox Relay into the Firefox Password Manager 74
Searching with Firefox for Android 74
What's new in Firefox for iOS (version 97) 74
Add and delete collections in MDN Plus 73
Enable or disable Local Network Access on iOS 73
End of support for Adobe Flash 73
Firefox accounts renamed Mozilla accounts - What you need to know 73
How do I contact MDN Plus support if I forgot my password for Mozilla account? 73
Keyboard Shortcuts for Searching 73
New in Thunderbird for Android 73
Firefox for Android (68 and earlier) end of support 72
Keep Private Browsing tabs open after exiting Firefox 72
RCS messaging and Mozilla VPN 72
Thunderbird 128 Nebula FAQ 72
Thunderbird Crashes 72
Configuration Options for Attachments 71
How will DNS work when using the VPN extension? 71
Navigation bar in Firefox for iOS 71
Open a new private tab in Firefox Focus for Android 71
Set Firefox as your default browser from the notification panel on Android 71
What's new in Firefox for iOS (version 35) 71
What to do when searches take you to the wrong search website 71
Firefox is no longer available for download in the T-Store 70
How is Facebook Container different from Multi-account Containers? 70
Rate your Firefox experience, surveys and out of date messages (Heartbeat) 70
The language of the websites I visit changes when I turn Mozilla VPN on - What to do 70
Add Firefox to the Today view on your iOS device 69
Copy text from images on Firefox for MacOS 69
How to disable the Firefox Relay autofill icon on online fields and websites 69
Changing IMAP to POP 68
Custom installation of Thunderbird on Windows 68
How to replace Google Assistant with a Firefox search 68
Multiwindow support on iPad for Firefox 68
Report Site Issues on Firefox for iOS 67
What's new in Firefox for iOS (version 111) 67
Change site permissions in Firefox Focus for Android 66
What's new in Firefox for iOS (version 36) 66
Unable to install add-ons (extensions or themes) in Thunderbird 65
What languages is Mozilla VPN available in? 65
What's new in Firefox for iOS (version 37) 64
Automatically fill in credit card information on Firefox for Android 63
Deploy Firefox on Windows 63
Firefox blocked by macOS 15 Sequoia firewall - What you need to know 63
Search within a web page in Firefox for iOS 63
Use the Eyedropper tool in Firefox to sample colors 63
What is search hijacking? 63
What's new in Firefox for iOS (version 99) 63
In what languages is Firefox Relay available in? 62
Set Firefox as your mail-to default on Windows 62
Tracking Protection on Firefox Focus for iOS 62
Access toolbar functions using the keyboard 61
Firefox for Enterprise 83 - Release notes 61
How to fix an error when trying to open Telegram or Slack on Firefox 61
Register your own domain with Firefox Relay Premium 61
What's new in Firefox for iOS (version 107) 61
What's new in Firefox for iOS (version 34) 61
Create a new event or task 60
Firefox Homepage Lift Studies 60
How to delete an email mask 60
Add a search engine to Firefox klar for Android 59
How does Firefox Focus for Android use the permissions it requests? 59
Website Dark Mode in Firefox for iOS 59
What happened to Firefox Send? 59
Choosing a Firefox CPU architecture for Windows OS 58
Global Privacy Control in Firefox for Android 58
Setting Up Roaming Users Profiles 58
View recent tabs on your Firefox for Android homepage 58
Well known sources for downloading the Thunderbird email software 58
Creating a Newsgroup Account 57
Disable email forwarding - Stop receiving emails sent through your masks 57
Disable high contrast mode in Firefox 56
Firefox for Enterprise 150 - Release notes 56
Reorder tabs from tab view 56
Use Mozilla VPN system controls on iPhone and iPad 56
What's new in Firefox for iOS (version 40) 56
What to do after you have subscribed to Mozilla VPN 56
Firefox hangs when copying with Suggested Actions enabled on Windows 11 - What to do 55
Hide Images in Firefox for iOS 55
Privacy panel - Remote content and cookie settings in Thunderbird 55
What's new in Firefox for iOS (version 100) 55
Where can I get help with the MDN API and documentation? 55
Managing policies on Linux desktops 54
Solve math calculations directly in your Firefox address bar 54
Thunderbird support has ended for Mac OS X 10.6, 10.7 and 10.8 54
Use labels to keep your masks organized in Firefox Relay 54
What's new in Firefox for iOS (version 108) 54
Firefox for Enterprise 133 - Release notes 53
Resolve breaches with Mozilla Monitor 53
Use the in-browser print function on Firefox for Android 53
What's new in Firefox for iOS (version 98) 53
Enable light or dark mode in MDN 52
How do I cancel my subscription to MDN Plus? 52
Understand unexpected script warnings in Firefox 52
Using OpenPGP secret keys that advertise features that are not supported by Thunderbird 52
Auto-close open tabs in Firefox for Android 51
Change site permissions in Firefox Klar for Android 51
What's new in Firefox for iOS (version 38) 51
Changing calendar preferences 50
Firefox for Enterprise 79 - Release notes 50
Generate strong passwords in Firefox for Android 50
What's the difference between MDN and MDN Plus? 50
AMO (addons.mozilla.org) - Managing account data 49
Change your theme in Firefox Klar for iOS 49
Verify a Mozilla Thunderbird installation package 49
How can I get the latest version of Thunderbird on Windows XP or Vista? 48
Inviting Other People to Events 48
Safe browsing in Firefox Focus 48
Uninstall Firefox for Android 48
What to do if another extension interferes with the Mozilla VPN extension 48
Why can’t I use Firefox sync with my Google or Apple ID? 48
Manage your Mozilla account newsletter and email preferences 47
What's new in Firefox for iOS (version 102) 47
What's new in Firefox for iOS (version 104) 47
Avoid crashes - Tips and tricks 46
Change your theme in Firefox Focus for Android 46
Difficulties opening or using a website in Firefox Focus for Android 100 46
Set Firefox Focus as default browser on Android 46
Change the default email program in Firefox for iOS 45
File system paths on Linux are always treated as UTF-8 45
How do I submit a bug for Firefox Sync? 45
Send a tab from Firefox for iOS to another device 45
Firefox for Enterprise 86 - Release notes 44
Lightning User Interface 44
userChrome.css and .js and userContent are unsupported 44
What's new in Firefox for iOS (version 101) 44
Autofill Credit Cards in Firefox for iOS 43
Change your theme in Firefox Focus for iOS 43
How do I cancel my subscription to Firefox Relay? 43
Report extensions and themes for abuse 43
What's new in Firefox for iOS (version 105) 43
Change to desktop view on Firefox Focus for iOS 42
Get custom suggestions in the Firefox address bar 42
How do I redeem a coupon code? 42
Mask your email when browsing in Firefox for iOS 42
What to do after a data breach 42
Firefox for Enterprise 140 - Release notes 41
Support for add-ons using Experiment APIs in Thunderbird 41
Change the default search in Firefox Focus on iOS 40
Contact support from my Mozilla VPN app 40
Facebook Container isn't working 40
Hide your email using Firefox Relay on Android when signing up on websites 40
Uninstall Firefox for iOS 40
What's new in Firefox for iOS (version 106) 40
64-bit Firefox crashes with Citrix's XenApp VM 39
Get help with Firefox Developer Edition 39
New in Thunderbird 115 Supernova 39
Thunderbird and Comcast 39
What should I do if I'm redirected to the Firefox Relay FAQ when clicking a link within an email? 39
How to share URLs on Firefox for macOS 38
Address autofill on Firefox 37
Back up your Firefox installation folder 37
HTTPS-Only Mode in Firefox Focus for Android 37
Orbit Frequently Asked Questions 37
Autocomplete web addresses in the URL bar in Firefox Klar for iOS 36
Download the Beta and Nightly versions of Firefox Focus for Android 36
I can’t play audio on a Remote Desktop Connection 36
Play videos full screen on Firefox for Android 36
Unsent crash reports in Firefox for Android 36
Troubleshoot issues related to add-ons 35
View articles recommended by Pocket on your Firefox for iOS homepage 35
Copy a saved password in Firefox for Android 34
Deploy Firefox customizations on macOS 34
Install the Firefox Relay extension in Firefox for Android 34
Understand subscription free trials 34
Why aren’t my add-ons working on some websites? 34
How can I help by submitting mobile performance data? 33
Managing Thunderbird Updates 33
Restore the default Smart Bookmarks Folders 33
Switch to desktop view on Firefox Focus for Android 33
Sync custom preferences 33
What's new in Firefox for iOS (version 103) 33
Calendar updates issues with Thunderbird 32
Change your default search on Firefox Focus for Android 32
Firefox crashes - asking for support 32
Firefox for Enterprise 115 - Release notes 32
Firefox for Enterprise 89 - Release notes 32
Turn search suggestions on or off on Firefox for iOS 32
What is Firefox Klar for Android? 32
Disable credit card and payment method syncing across devices 31
Generate strong passwords in Firefox for iOS 31
Make Firefox for Enterprise the default browser 31
Transfer information from the old to new Firefox for Android (Nightly or Beta) 31
Address screen sharing issues with Firefox on macOS 15 Sequoia 30
Debugging policy issues 30
How to cast YouTube videos on Firefox for Fire TV 30
My privacy settings were changed from Custom to Standard 30
Where can I find a list of policies for Firefox for Enterprise? 30
Automatically fill in your address on web forms in Firefox for Android 29
I forgot my Password for Mozilla account and I can't sign in to MDN Plus 29
New in Thunderbird 128 Nebula 29
Send text or multimedia messages from Firefox for Android 29
Turn off ads on MDN Plus 29
Turn push notifications on or off in Firefox for iOS 29
Identify noisy tabs in Firefox for Android 28
Privacy settings in Firefox for Enterprise 28
Using Dark Theme in Firefox for iOS 28
What's new in Firefox Klar for Android 28
Firefox for Enterprise 87 - Release notes 27
General questions about Relay email domains 27
Relay Phone Masking FAQ 27
Unable to download files in Windows 10 when Parental Controls are on 27
Autocomplete settings in the Firefox Focus address bar 26
Dangerous directories 26
Firefox desktop icon gallery for SUMO contributors 26 Review Needed
Updating processor microcode 26
Why does Monitor show me in a data breach for a site I never signed up to? 26
Block cookies in Firefox Focus for Android 25
Change the date or time of an event 25
How do I restore my Mozilla VPN Subscription on my mobile device? 25
Videos don't have sound on Citrix 25
Get started with Firefox 141 for iOS 24
How do I opt out of Mozilla Monitor? 24
How do I request a refund for Firefox Relay Premium 24
Use tab groups in Firefox for Android 24
Firefox for Enterprise 93 - Release notes 23
How to delete my Mozilla account via the Mozilla VPN app on Android and iOS 23
Install system add-ons on Firefox for Enterprise 23
Web pages aren't displaying properly in Firefox for Android 23
Why is each open Firefox tab showing up in the Windows volume mixer? 23
Block cookie banners on Firefox for Android 22
Configuring Lightning 22
Firefox for Enterprise 127 - Release notes 22
Firefox for Enterprise 141 - Release notes 22
How do I change my MDN Plus subscription plan? 22
How to upgrade your MDN Plus subscription 22
Usage Data Changes for Firefox for iOS and Android 22
"Certificate cannot be trusted" warning in Kazakhstan 21
Firefox for Enterprise 114 - Release notes 21
Firefox for Enterprise 91 - Release notes 21
Firefox for Enterprise 98 - Release notes 21
Search Firefox instantly on your Android home screen 21
Splash Accounts - Managing Account Data 21
Firefox for Enterprise 125 - Release notes 20
Firefox for Enterprise 80 - Release notes 20
Use Siri and Shortcuts with Mozilla VPN on iPhone and iPad 20 Review Needed
Firefox for Enterprise 117 - Release notes 19
Firefox for Enterprise 139 - Release notes 19
Firefox for Enterprise 85 - Release notes 19
Why do I see a white screen after updating Mozilla VPN to version 2.8.3? 19
Difficulties opening or using a website in Firefox 100 18
Firefox for Enterprise 116 - Release notes 18
Firefox for Enterprise 128 - Release notes 18
Firefox ScreenshotGo - capture and organize screenshots 18
Why do I get an error when I try to upgrade my subscription? 18
Will policies I set work if users already installed Firefox? 18
Block add-ons in Firefox for Enterprise 17
Create a recurring event 17
Drag links to and from Firefox Focus 17
Enable email invitations for CalDAV servers configured to do serverside scheduling 17
Remove a search engine in Firefox Focus for Android 17
Send Tab from another mobile app to Firefox 17
Share your Android device with a Firefox Guest Session 17
What happens when your SUMO profile is inactive or deleted 17
Add trusted sites to your allow list on Firefox Klar 16
Firefox for Enterprise 119 - Release notes 16
Firefox for Enterprise 126 - Release notes 16
Firefox for Enterprise 136 - Release notes 16
Firefox for Enterprise 143 - Release notes 16
How do I update my payment information for my MDN Plus subscription? 16
I can't find Firefox Focus in Germany, Austria or Switzerland 16
In which countries is Firefox Relay Premium available to subscribe? 16
In which countries is MDN Plus available to subscribe? 16
Mozilla VPN message center 16
Remove a search engine in Firefox Focus for iOS 16
SUMO - Managing account data 16
What's new in Firefox Klar for iOS (version 99) 16
Configuration Options for Identity 15
Drag and drop links and tabs to and from Firefox 15
Firefox for Enterprise 102 - Release notes 15
Firefox for Enterprise 88 - Release notes 15
Firefox for Enterprise 90 - Release notes 15
Firefox for Enterprise 92 - Release notes 15
Firefox for Enterprise 95 - Release notes 15
Unsafe properties of OpenPGP keys might be ignored 15
Compatibility with Exploit protection on Windows 14
Find words on a page in Firefox Focus for iOS 14
Firefox for Enterprise 112 - Release notes 14
Firefox for Enterprise 113 - Release notes 14
Firefox for Enterprise 118 - Release notes 14
Firefox for Enterprise 144 - Release notes 14
Firefox for Enterprise 99 - Release notes 14
Fritz!box isn't working when Mozilla VPN is on 14
Mozilla People Directory - Managing account data 14
Mozilla Voice Server Proxy Retiring 14
Receive notifications in MDN Plus 14
Re-enable multi-process support disabled by Windows utilities 14
Statistics for Firefox Homepage Sponsors 14
What's New in Firefox Klar for iOS (version 39) 14
What's new in Firefox Klar for iOS (version 40) 14
Firefox for Enterprise 104 - Release notes 13
Firefox for Enterprise 121 - Release notes 13
Firefox for Enterprise 124 - Release notes 13
Firefox for Enterprise 131 - Release notes 13
Firefox for Enterprise 132 - Release notes 13
Firefox for Enterprise 84 - Release notes 13
Firefox for Enterprise 97 - Release notes 13
Remove a search engine in Firefox Klar for Android 13
What's new in Firefox Klar for iOS (version 97) 13
Change to desktop view on Firefox Klar for iOS 12
Firefox for Enterprise 123 - Release notes 12
Firefox for Enterprise 129 - Release notes 12
Firefox for Enterprise 130 - Release notes 12
Firefox for Enterprise 137 - Release notes 12
Firefox for Enterprise 147 - Release notes 12
Firefox for Enterprise 94 - Release notes 12
Firefox Sync takes too long to sync or send pages from my iPhone or iPad 12
Fix phone masking issues and protect voicemail privacy in Relay 12
MDN - Managing account data 12
Search suggestions in Firefox Focus for Android 12
What is Firefox Klar for iOS? 12
Your hardware is no longer supported by Thunderbird 12
A guide to linking to support articles 11
Autocomplete settings in the Firefox Klar address bar 11
Bugzilla - Managing account data 11
Firefox for Enterprise 101 - Release notes 11
Firefox for Enterprise 120 - Release notes 11
Firefox for Enterprise 138 - Release notes 11
Firefox for Enterprise 81 - Release notes 11
How do I request a refund for MDN Plus? 11
Relay Phone Masking - How long can I talk when I get a call? 11
Thunderbird and AT&T 11
Thunderbird and Sympatico 11
What's new in Firefox Klar for iOS (version 105) 11
What's new in Firefox Klar for iOS (version 106) 11
Delete an individual tab in Firefox Focus for Android 10
Discourse - Managing account data 10
Firefox for Enterprise 122 - Release notes 10
How does Firefox Klar for iOS use the permissions it requests? 10
How do I become an issuer? 10
How do I contact support for Monitor Plus? 10
Tracking Protection on Firefox Klar for iOS 10
What's new in Firefox Klar for iOS (version 98) 10
Change your theme in Firefox Klar for Android 9
Crash on Broadwell-U with old microcode 9
Find words on a page in Firefox Focus for Android 9
Firefox for Enterprise 100 - Release notes 9
Firefox for Enterprise 109 - Release notes 9
Firefox for Enterprise 110 - Release notes 9
Firefox for Enterprise 146 - Release notes 9
How to opt out of studies on Firefox Klar for iOS 9
Set Firefox Focus as the default browser for iOS 9
What's new in Firefox Klar for iOS (version 103) 9
Change the default search in Firefox Klar on iOS 8
Deceased or incapacitated account management FAQ 8
Firefox for Enterprise 107 - Release notes 8
Firefox for Enterprise 142 - Release notes 8
Firefox for Enterprise 145 - Release notes 8
Firefox for Enterprise 82 - Release notes 8
Firefox for Enterprise 96 - Release notes 8
How does Firefox Klar for Android use the permissions it requests? 8
Learn how to subscribe to MDN Plus 8
What's new in Firefox Klar for iOS (version 104) 8
What's new in Firefox Klar for iOS (version 107) 8
Add web page shortcuts to your Home screen in Firefox Klar 7
GeckoView in Firefox Klar 7
Change your default search on Firefox Klar for Android 6
Common Voice Accounts - Managing Account Data 6
Lightbeam extension for Firefox is no longer supported 6
Pontoon - Managing account data 6
Share pages with Firefox from other browsers 6
How to create an in-product, stable link 5
Use Face ID or Touch ID on Firefox Klar 5
Add search engines in Firefox Klar for iOS 4
Firefox Klar for Android - Frequently asked questions 4
Moderator - Managing account data 4
Send feedback about Smart Window 4
Set Firefox Klar as your default browser on Android 4
Change to desktop view on Firefox Klar for Android 3
Find words on a page in Firefox Klar for Android 3
Firefox for Enterprise 152 - Release notes 3
HTTPS-Only Mode in Firefox Klar for Android 3
Open a new private tab in Firefox Klar 3
Block cookies in Firefox Klar for Android 2
Difficulties with a website in Firefox Klar for Android 100 2
Find words on a page in Firefox Klar for iOS 2
Placeholder article 091802 2
Safe browsing in Firefox Klar 2
Search suggestions in Firefox Klar for iOS 2
Use breach alerts in Firefox 2
Delete an individual tab in Firefox Klar for Android 1
Remove a search engine in Firefox Klar for iOS 1
Search suggestions in Firefox Klar for Android 1
Website will not allow Firefox to display the page if another site has embedded it 1
Where can I go for technical help? 1
Drag links to and from Firefox Klar
Set Firefox Klar as the default browser for iOS