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Roadmap ID 571298 In development

Microsoft Teams: Customize blocked file extensions for Weaponizable File Protection

Microsoft 365 Message Center Archive by Merill Fernando

Changes ChangeIntel observed:GA Nov 2026 → Dec 2026 seen 8d ago

Microsoft 365 roadmap entry

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
Dec 2026
Preview target
Not published
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability, Targeted Release
Platforms
Android, Desktop, iOS, Mac, Web
Source created
16 Sep 2026
Source modified
3 Nov 2026 · 8d ago
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.

Sources read 11 Nov 16:19 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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