Microsoft Teams: Customize blocked file extensions for Weaponizable File Protection

Summary

Microsoft Teams is expanding admin controls for Weaponizable File Protection. Administrators will be able to customize which file types are blocked in Teams to align with their organization's security requirements or continue using the Microsoft-recommended default list. This added flexibility helps organizations tailor file protection policies while maintaining a secure collaboration environment.

Status
In development
General availability target
Nov 2026
Preview target
Not published
Products
Microsoft Teams
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability, Targeted Release
Platforms
Android, Desktop, iOS, Mac, Web
Added to the roadmap
16 Sep 2026
Last changed
17 Sep 2026 · 10d ago
recently changed
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