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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 removed

What 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 first

This 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 to

The 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.
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

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