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Limits in Viva Engage for Microsoft 365
Learn about the service limits in Viva Engage for Microsoft 365.
Network limits
| Feature | Details |
|---|---|
| Bulk Update for Network Admins | Bulk updates to users are supported for networks of 2000 users or less. |
| Home Networks | Home networks can’t be deleted and recreated. |
File limits
| Feature | Details |
|---|---|
| Maximum file size and storage | For Viva Engage files stored in SharePoint:
SharePoint limits apply to Microsoft 365 connected communities in Viva Engage. For files stored in Viva Engage file storage:
For more information on image use, including templates and dimensions for cover photos, see Viva Engage Adoption Resources. |
| Number of file attachments per post | Each post can have a maximum of 100 files. |
| Supported video formats | The following video types are supported for inline playback: .wmv, .avi, .mpeg, .3gp, .flv, .mov, .mp4, .mpg, .ogm, .mkv, .ogv, and .ogg. Viva Engage uses Azure Media Services to display videos uploaded in Viva Engage. |
| Inline video playback | Microsoft Stream, SharePoint Online, YouTube, and Vimeo are supported for inline playback. |
| Link previews (Open Graph objects) | Links to internal systems that can’t be publicly resolved, or requiring authentication won't display valid previews because metadata can’t be extracted. |
| Stories File Upload | 3 minute video |
| Storyline Attachments | The limit is associated with the type of file uploaded to a person's storyline, for example images 5GB and other attachments 15GB. |
Viva Engage live event limits
| Feature | Details |
|---|---|
| Number of live event viewers | Currently, the limit is 10,000 participants. For events of a higher size, work through the Live Events Assistance Program. |
| Live event creation permissions | Permission to create live events in Stream is required. Community admins in Viva Engage can create or schedule live events. |
| Guest access | Members of your canonical network can create or attend live events in Viva Engage. |
| Closed captioning | Closed captions aren't available for live events in Viva Engage. A future update will add support for closed captions. |
| Duration of event | 4 hours |
| Concurrent live events running in Microsoft 365 or Office 365 organization | 50 events per tenant |
| Limit of presenters? | 100 presenters |
For more limits regarding Microsoft Teams live events and meetings, see Teams Live Events.
Viva Engage community limits
| Feature | Details |
|---|---|
| Number of members in a community | Varies based on whether community is connected to a Microsoft 365 group, is a dynamic community, or is the All Company community. Dynamic community membership limit: 500K |
| Number of communities you can be a member | 7,000 communities in total. However, we recommend the users to be a member of 100 or less private communities, else the performance is impacted. |
| Number of updates via Address book import to add multiple users at once | 200 community members per batch upload. |
| Limit of dynamic communities | No limit |
| Number of admins per community | 100 per community. |
| Number of network admins | No limit of network admins. |
| Connected Communities and Microsoft Entra ID Sync | Latency with sync may occur with a community membership over 100K. |
| Members in All Company | Includes all users in the tenant. |
| Number of Official Communities | No limit |
| Number of favorites communities | 10 |
| Community name character limit | Depends on the naming convention of the network. Maximum 255 characters including any prefix. |
| Community description character limit | 150 characters |
| Community info length | 32,000 character limit (up to 1 GB) |
| Limit of pinned resources | No limit |
| Limit of related communities | No limit for normal communities but best practices are 3-5 related communities. Related communities aren't available for All Company. |
| Limit on pending members for private communities | No limit. |
| Limits on community management | Connected groups should be managed using tools designed to update Microsoft 365 groups, including the Microsoft 365 admin portal, Microsoft Entra admin center, and the Azure AD PowerShell module. |
| Post by email | No limit |
Viva Engage messaging limitations
| Feature | Details |
|---|---|
| Character limit per message | 10K character limit |
| Deleting conversations | Deleting an entire thread requires all messages to be deleted. Deleting the conversation starter promotes the first reply to become the thread starter. Network admins can delete messages from any conversation thread if Private Content Mode is enabled. Community admins can delete messages in the community they administer. Original author can only delete their own posts. |
| Message limit per conversation thread | A conversation can have up to 10,000 posts. |
| Link Previews (Open Graph metadata) |
|
| Private content mode | Verified admins can’t access private content by default. Private content mode must be enabled to access private messages and private communities. |
| Nested Replies and legacy threads | Legacy threads allow creation of new nested replies. The older ‘in reply to’ messages would stay as top level comments, for now. |
| Article Length | 32,000 character limit. |
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