Microsoft 365 Message Center
Message Center notices, mirrored here so they stay readable and searchable after Microsoft rotates them out.
- MC1104112Act now: Secure Boot certificates expire in June 2026
- MC1104306Microsoft Teams: Users can save chats and channel messages for later
- MC1104265The June 2025 Windows non-security preview update is now available
- MC1103611Power Platform - Information regarding the ability to re-enable customer-managed key locked environments
- MC1104083Microsoft Copilot Studio โ Enhance governance with an admin control to block agents
- MC1103608Microsoft Entra ID: Change in guest authentication experience for B2B collaboration
- MC1103606New file format support for SharePoint Online Content AI document translation
- MC1103605Microsoft Teams admin center: Additional monitoring scenarios in Best Practice Configurations dashboard
- MC1102792Microsoft Viva Amplify and SharePoint News: Videos will play in Microsoft Outlook instead of web browser
- MC1102791Microsoft 365 admin center: New Multi-admin notifications for Microsoft 365 Backup
- MC1102790Microsoft Teams: New file attachment feature in external 1:1 and group chats
- MC1102788Microsoft 365 Backup: Protection unit-level offboarding (preview)
- MC1102786Improved processing visibility for Content AI models in SharePoint Online: Autofill and Document Translation
- MC1102785Microsoft Teams: Countdown timer for Teams Meetings
- MC1102784Microsoft Teams on the web: New Private Preview for Sign in with Apple and Google for consumers may affect enterprise
- MC1102778Microsoft Fabric: Removing default contributor access for Workspace Identity
- MC1102762Updates to user and group assignment views on the Microsoft Admin Center
- MC1102759Microsoft Teams: Facilitator agent notes in chats (Preview)
- MC1102544The June 2025 Windows non-security preview update is now available for Windows 10, version 22H2
- MC1101906Offline Support for Calendar - Create, Edit and Delete Event support