(Updated) New file protection in Teams chat and channels blocks unsafe content [MC1148540]

(Updated) New file protection in Teams chat and channels blocks unsafe content [MC1148540]

Message ID: MC1148540 (Updated) Updated October 30, 2025: We have updated the content. Thank you for your patience.IntroductionMicrosoft Teams is introducing a new protection feature that blocks messages containing weaponizable file types—such as executables—in chats and channels. This helps reduce…
New file protection in Teams chat and channels blocks unsafe content [MC1148540]

New file protection in Teams chat and channels blocks unsafe content [MC1148540]

Message ID: MC1148540 (Updated) Updated September 9, 2025: We have updated the content. Thank you for your patience.IntroductionMicrosoft Teams is introducing a new protection feature that blocks messages containing weaponizable file types—such as executables—in chats and channels. This helps reduce…
New file protection in Teams chat and channels blocks unsafe content [MC1148540]

New file protection in Teams chat and channels blocks unsafe content [MC1148540]

Message ID: MC1148540 IntroductionMicrosoft Teams is introducing a new protection feature that blocks messages containing weaponizable file types—such as executables—in chats and channels. This helps reduce the risk of malware and file-based attacks by preventing unsafe content from being shared.…