(Updated) Microsoft Teams: Malicious URL Protection for Teams Chat and Channels [MC1148539]

(Updated) Microsoft Teams: Malicious URL Protection for Teams Chat and Channels [MC1148539]

Message ID: MC1148539 (Updated) Updated October 30, 2025: We have added a reminder message to the bottom of this post. Thank you for your patience.  IntroductionMicrosoft Teams is introducing enhanced protection against phishing attacks by detecting and warning users about…
(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…
Action Required – Configure Browser Policy to Preserve OneDrive and SharePoint Web Performance and Offline Capability [MC1150662]

Action Required – Configure Browser Policy to Preserve OneDrive and SharePoint Web Performance and Offline Capability [MC1150662]

Message ID: MC1150662 (Updated) Updated October 20, 2025: We have updated the content to correctly reference Chromium 142. Thank you for your patience. [Introduction]Upcoming privacy-related changes in Chromium-based browsers (Google Chrome and Microsoft Edge) will increase restrictions on local network access.…
Reminder: Support for the Word Mobile, Excel Mobile, and PowerPoint Mobile UWP applications ended on October 14, 2025 [MC1173198]

Reminder: Support for the Word Mobile, Excel Mobile, and PowerPoint Mobile UWP applications ended on October 14, 2025 [MC1173198]

Message ID: MC1173198 [Introduction]Reminder: Support for the mobile Universal Windows Platform (UWP) apps (Microsoft Word, Microsoft Excel and Microsoft PowerPoint) ended on October 14, 2025. No further updates, security fixes, or technical support will be available for these applications. We…
Action Required – Configure Browser Policy to Preserve OneDrive and SharePoint Web Performance and Offline Capability [MC1150662]

Action Required – Configure Browser Policy to Preserve OneDrive and SharePoint Web Performance and Offline Capability [MC1150662]

Message ID: MC1150662 (Updated) Updated October 3, 2025: We have updated the timeline. Thank you for your patience. [Introduction]Upcoming privacy-related changes in Chromium-based browsers (Google Chrome and Microsoft Edge) will increase restrictions on local network access. When enforcement begins, users accessing…