Breakout Rooms for Microsoft Teams Webinars now support up to 1,000 participants and 100 rooms
Versions captured by this deployment. Earlier versions and notices may be missing; first observed is not first published.
Rollout
- Ends
- 17 Nov 2026
Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".
- Microsoft's start date
- 24 Sep 2026
- Last changed by Microsoft
- 24 Sep 2026
- First seen here
- 19 Oct 2026
- Versions seen
- 1
What the notice says
Microsoft's text, with its sections, lists and tables; source markup removedWhat and Why
Breakout rooms are now officially supported in Microsoft Teams webinars with up to 1,000 participants across up to 100 breakout rooms, enabling organizers to divide larger webinar audiences into smaller groups for focused discussions and collaborative activities.
Rollout Schedule
Available now.
Impact on Your Organization
Organizations can now confidently use breakout rooms in larger Microsoft Teams webinars to create more interactive and engaging experiences. With support for up to 1,000 participants and 100 breakout rooms, organizers can facilitate small-group discussions and activities at scale, making the capability well suited for scenarios such as large-scale training, onboarding, workshops, and collaborative learning.
Action Required/Recommendations
- No admin action is required.
- Inform Teams webinar organizers that breakout rooms now support larger webinars with up to 1,000 participants and up to 100 breakout rooms.
- Update internal webinar, training, or event guidance if it describes breakout room limits.
- Consider using breakout rooms for large training, onboarding, workshop, and collaborative learning scenarios.
Compliance considerations
No compliance considerations identified. Review as appropriate for your organization.
What changed
Between the versions this installation saw, newest firstThis installation has seen one version of this notice, first on 19 Oct 2026. Later changes will show here.
Linked documentation
Microsoft pages the notice links toThe notice links to no Microsoft Learn or Support page that this installation reads.
Not confirmed here
What this page cannot tell you- Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.
- Versions before 19 Oct 2026: this installation first saw the notice after Microsoft posted it.