Microsoft Teams now blocks messages containing weaponizable file types, such as executables, in chats and channels, increasing protection against malware and other file-based attacks.
Roadmap › 499892
Microsoft Teams: Weaponizable File Type Protection for Teams Chat and Channels
- General availability
- 2025-09
- Preview
- —
- Added
- 13 Aug 2025
- Last modified
- 12 Dec 2025 23:00 UTC
- First archived
- 25 Aug 2026
- Release rings
- General Availability, Targeted Release
- Clouds
- Worldwide (Standard Multi-Tenant)
Description
© Microsoft — from the Microsoft 365 Roadmap · View on microsoft.com · Content notice