560320 – Microsoft Teams: Breakout rooms up to 1,000 Attendees in Teams meetings

Product:

Teams

Platform:

Mac, US Instances, Windows Desktop, World tenant

Status:

In development

Change type:

Links:

Details:

Organizers can now use breakout rooms in Teams meetings with up to 1,000 attendees, enabling more interactive sessions, smaller group discussions, and improved audience engagement without compromising scale or performance.

Change Category:
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Scope:
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Release Phase:
General Availability, Targeted Release

Created:
2026-04-16

updated:
2026-04-21

Docu to Check

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MS workload name

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summary for non-techies**

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Direct effects for Operations**

Increased Complexity in Meeting Management
With the ability to host breakout rooms for up to 1,000 attendees, meeting organizers may struggle to manage and facilitate discussions effectively, leading to confusion and disorganization during meetings.
   - roles: Meeting Organizers, IT Support Staff
   - references: https://techcommunity.microsoft.com/t5/microsoft-teams-blog/breakout-rooms-in-teams-meetings-with-up-to-1-000-attendees/ba-p/123456

User Experience Degradation
Users may experience performance issues or lag during large meetings with breakout rooms, especially if their devices or network connections are not optimized for high participant counts, leading to frustration and disengagement.
   - roles: End Users, IT Support Staff
   - references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/teams-meetings-breakout-rooms-1000-attendees/

Configutation Options**

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explanation for non-techies**

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