Microsoft 365 Message Center Archive

MC1098932

(Updated) Microsoft Outlook for Mac desktop: Retiring the admin preference to switch to legacy Outlook

MC1184407

App Skills in Excel will be retired

MC1184410

Microsoft Outlook for iOS/Android: Automatic replies collapsed by default in email thread

MC1184412

Maintain accurate presence in Teams on the Web with new activity detection setting

MC1184413

(Updated) Microsoft 365 Copilot for Android: Preview and chat with Word, Excel, and PowerPoint files in the Copilot app

MC1184591

Power Platform - Upcoming enforcement of tenant isolation

MC1184647

(Updated) Retirement of Assignments and Courses adaptive card extensions (ACE) in Viva Connections and SharePoint

MC1184648

Viva Engage: Update storyline cover photos in Teams for iOS

MC1184649

Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols

MC1184651

Microsoft Teams: In-app survey feedback policies will be managed by default with Microsoft 365 Cloud Policy

MC1184652

(Updated) Microsoft Teams: Upcoming improvements to the jump list experience on Windows

MC1184654

(Updated) Microsoft 365 Copilot: Configure connected agents for Researcher and other agents

MC1184889

The November 2025 Windows security update is now available

MC1184890

Take Action: Out-of-band update to address ESU enrollment issue on Windows 10, version 22H2 devices

MC1184891

Windows 11, version 23H2 (Home and Pro editions) has reached end of servicing

MC1184902

Microsoft Copilot Studio – Removal of the Insights widget from analytics page

MC1184992

(Updated) Microsoft Teams: Improvements to "Activity in other accounts and orgs panel"

MC1184993

New customer onboarding for Google and Microsoft Teams calendar sync paused

MC1184996

(Updated) Legacy SharePoint Online Content Delivery Network (CDN) domain to be retired—review configurations

MC1184997

Microsoft Defender for O365: New email actions available in Advanced Hunting

MC1184998

Migration of Name Pronunciation and Pronoun Controls to the People Settings Section in Org Settings

MC716267

(Updated) Microsoft Publisher will no longer be supported after October 2026

MC1056265

(Updated) Microsoft Purview: New data security controls for detecting sensitive data shared over the network

MC1062453

(Updated) Changes to how users install Microsoft 365 apps from the Microsoft 365 Copilot app

MC1072406

(Updated) Microsoft Edge for Business: New PDF viewer powered by Adobe engine now available for testing in Edge Beta