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⇱ Thunderbird Help

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

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Featured Articles

👁 Thunderbird add-ons - frequently asked questions

Thunderbird add-ons - frequently asked questions

Add-ons are extensions and other additions that add new functionality to Thunderbird or change its appearance.

👁 Thunderbird and Junk / Spam Messages

Thunderbird and Junk / Spam Messages

This article explains how Thunderbird's adaptive filter learns to identify junk mail ("spam").

👁 Channel Choices for Thunderbird Snap and Flatpak

Channel Choices for Thunderbird Snap and Flatpak

This article discusses choosing a channel to install Thunderbird on Linux using Snap and Flatpak

👁 Profiles - Where Thunderbird stores your messages and other user data

Profiles - Where Thunderbird stores your messages and other user data

Thunderbird saves personal information such as messages, passwords and user preferences in a set of files called a "profile".

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