Microsoft Teams: Weaponizable File Type Protection for Teams Chat and Channels

Originally posted by Microsoft Aug 14, 2025 Uncategorized 0 Comments

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.

Product Microsoft Teams
Release phase General Availability
Release date November CY2025
Platform Web
Cloud Instance Worldwide (Standard Multi-Tenant)
Created 2025-08-13
Roadmap ID 499892
Roadmap Link https://www.microsoft.com/microsoft-365/roadmap?id=499892

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Joao Ferreira

I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.

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