Archive

Microsoft 365 Message Center

Message Center notices, mirrored here so they stay readable and searchable after Microsoft rotates them out.

  1. MC1472022[Outlook Mac] Purview Data Loss Prevention support for Calendar Events
  2. MC1472021[Outlook Mobile] Purview DLP Wait-on-Send Support
  3. MC1472019[Outlook Mac] Purview DLP Wait-on-Send Support
  4. MC1472007Manage who can upload advanced agents and plugins
  5. MC147196430-Day Reminder: Windows 11, version 24H2 and Windows 10 LTSB 2016 reaching end of updates on October 13, 2026
  6. MC147196330-Day Reminder: AD FS DKM container ACL hardening begins in October 2026
  7. MC1471895Power Platform admin center - Ask advisor
  8. MC1471885An updated version of the September 2026 Scan Cab is available
  9. MC1471876Take Action: Out-of-band update released to address issues from the September 2026 Windows security update
  10. MC1471573Copilot Studio - Use MCP-compliant tools in agent workflows
  11. MC1470901Microsoft Teams: Enhanced real-time alerting rule management in the Teams admin center
  12. MC1470887Microsoft Teams: Personal message reminders for chat and channels
  13. MC1470885M365 Copilot: Tell Copilot what you need directly from the Copilot button in Word, Excel, and PowerPoint
  14. MC1470883Microsoft Outlook for iPad: Minimize email drafts and return to them later
  15. MC1470871Microsoft Graph: User.ReadBasic.All will no longer allow reading user app role assignments and license details
  16. MC1470869Plan for Change: Removal of legacy Apple MDM software updates
  17. MC147075630-Day Reminder: Windows Server 2022 will reach end of mainstream support on October 13, 2026
  18. MC1470566Power Apps - Information about a price increase for Power Apps Premium plans effective January 1, 2027
  19. MC1470426Data Privacy: Microsoft Online Services Subprocessor Disclosure
  20. MC1470425Microsoft Copilot Cost Management: September Updates
  21. MC1470424Microsoft Viva Engage: New left navigation controls for collapsing, resizing, and managing favorites
  22. MC1470417Microsoft 365 Copilot: Review PDFs using the Copilot context menu on OneDrive iOS
  23. MC1470416Microsoft OneDrive and SharePoint: Anchored comments in the PDF viewer
  24. MC1470415Microsoft 365 Copilot in PowerPoint: Guide Presentation Creation with Notes Steering and Strict Brand Adherence
  25. MC1470410Microsoft Teams: QR code protection for messages from external users
  26. MC1470296Windows Office Hours: September 17, 2026
  27. MC1470219Microsoft Dataverse – Service Update 9.2.26091.00000 for GBR
  28. MC1469962Change in sender email address for Copilot emails
  29. MC1469961Microsoft Viva Glint: Copilot features are no longer available for cross-tenant guest users
  30. MC1469960Microsoft Exchange Online: Review and configure EWSAllowedAppIDs before Exchange Web Services access changes
  31. MC1469957[Whiteboard] Legacy Whiteboard migration to OneDrive
  32. MC1469811IT resources to plan, prepare, and deploy Windows
  33. MC1469583Updates available for Microsoft 365 Apps for all channels
  34. MC1469565Microsoft Purview | Data Lifecycle Management - Graph API Support for archive mailboxes
  35. MC1469564Microsoft Publisher: Reminder that support ends in October 2026
  36. MC1469559[Whiteboard] Legacy Whiteboard migration to OneDrive
  37. MC1469557[Whiteboard] Standalone app deprecation (Windows, Mobile)
  38. MC1469555Microsoft Entra: Optimized passkey registration campaign experience
  39. MC1469551Teams admin center device state rules and health alerts retire; use Teams Rooms Pro Management portal
  40. MC1469525The September 2026 Scan Cab is available
  41. MC1469329Build apps in Microsoft Copilot Studio and Copilot Cowork
  42. MC1469328Notice: The September 2026 Scan Cab for Microsoft updates is delayed
  43. MC1469327The September 2026 Windows security update is now available
  44. MC1467357Microsoft Teams: Updated header and dashboard for chats and channels on mobile
  45. MC1467356Deprecation for Manifest V2 (MV2) browser extensions support in Microsoft Edge
  46. MC1467355Power BI subscriptions: Changes to notification delivery and sender experience
  47. MC1466864Call Quality Dashboard Custom Detailed Reports
  48. MC1466762Cross-post SharePoint News to Engage
  49. MC1466760Microsoft Copilot Pages: Access existing Pages from the "/" menu in chat
  50. MC1466757Microsoft Teams: Collect information with List Form in Workflows