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

Why it matters: Upcoming change

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.

Target July CY2026Cloud Worldwide, GCC, GCC High, DoDPlatform Desktop, MacSource updated 2026-05-21

Affected: Microsoft Teams

View at Microsoft →