Microsoft 365 Message Center

Comprehensive archive of Microsoft 365 service updates and feature announcements.

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Message Details
Services
Published
Actions
Create and edit SharePoint pages with Copilot-powered AI
MC1282683
SharePoint Online
Apr 16, 2026
Agent Builder in Microsoft 365 Copilot: Updates to the agent creation experience
MC1282682
Microsoft 365 Copilot Chat
Apr 16, 2026
Microsoft Defender for Office 365: Enhancing how we handle promotional mail
MC1279093Major Change
Microsoft Defender XDR
Apr 13, 2026
Updated
Microsoft Purview: Role management update
MC1199765
Microsoft Purview
Dec 18, 2025
Updated
Copilot entry point changes in Excel
MC1282571
Microsoft 365 apps
Microsoft 365 Copilot Chat
Apr 16, 2026
General Availability: Microsoft Entra passkeys on Windows
MC1282568
Microsoft Entra
Apr 16, 2026
Create charts on pages with AI in SharePoint
MC1282567
SharePoint Online
Apr 16, 2026
Power Apps - Enable online mode to access Dataverse for Canvas apps
MC1282566
Power Apps
Apr 16, 2026
Exchange Online, SharePoint Online, and Microsoft Teams: April 2026 industry-wide DigiCert Global Root CA (G1) distrust
MC1282565
Microsoft 365 suite
Apr 16, 2026
Microsoft Purview eDiscovery: Naming and description fields will restrict certain special characters
MC1282562Major Change
Microsoft Purview
Apr 16, 2026
Power Apps - Supervise autonomous agents with agent feed
MC1282551
Power Apps
Apr 16, 2026
Microsoft 365 admin center: Organizational Messages to support email delivery
MC1189665
Microsoft 365 suite
Microsoft 365 Copilot Chat
Nov 25, 2025
Updated
Message center post structure updates may require admin script changes
MC1282308Major ChangeAction Required
Microsoft 365 suite
Apr 16, 2026
Modernized Change Management for Microsoft 365
MC1282306Major Change
Microsoft 365 suite
Apr 16, 2026
Planned breaking changes to ASIM KQL functions used by Microsoft Sentinel for Developers
MC1281506Major ChangeAction Required
Microsoft Defender XDR
Apr 15, 2026
Microsoft Purview: Data Lifecycle Management- Azure PST Import
MC1281505
Microsoft Purview
Apr 15, 2026
Copilot Cowork now available in Frontier
MC1265767
Microsoft 365 Copilot Chat
Mar 30, 2026
Updated
Migration update for Office 365 connectors retirement in Teams – webhook URL support
MC1181996Action Required
Microsoft Teams
Oct 31, 2025
Updated
Microsoft 365 Copilot: Comprehensive Copilot metrics in Copilot Analytics
MC1266023
Microsoft Viva
Mar 30, 2026
Updated
Microsoft 365 Copilot: Intelligent Summaries in Copilot Dashboard
MC1266912
Microsoft Viva
Mar 31, 2026
Updated
Microsoft Teams: Ad-hoc room reservation from Teams Rooms on Windows console
MC1245225
Microsoft Teams
Mar 5, 2026
Updated
Microsoft Entra: Passkeys in Microsoft registration campaigns
MC1253746
Microsoft Entra
Mar 16, 2026
Updated
Microsoft Teams: Improved organization chart in Profile Card (Desktop, Mac, Web)
MC1151242
Microsoft Teams
Sep 10, 2025
Updated
(Update)Microsoft Entra ID: General Availability of passkey profiles and migration for existing Passkeys (FIDO2) tenants
MC1221452Major Change
Microsoft Entra
Jan 23, 2026
Updated
Microsoft Purview: Migration tool in Unified Catalog to migrate classic glossary terms
MC1280564
Microsoft Purview
Apr 15, 2026
Assign participants to breakout rooms using CSV import in Microsoft Teams meetings
MC1280561
Microsoft Teams
Apr 15, 2026
Use Copilot to explain selected slide content in PowerPoint Live
MC1280558
Microsoft 365 apps
Apr 15, 2026
Submit agent to the Agent Store from Agent Builder
MC1280557Major Change
Microsoft 365 suite
Apr 15, 2026
Microsoft Purview for agents: AI observability and insider risk management now generally available
MC1280556
Microsoft Purview
Apr 15, 2026
Expanded visibility for the Teams Reader role in the Teams admin center
MC1280552
Microsoft Teams
Apr 15, 2026
Organizational Data Export Capability for Tenant Admins
MC1280545
Microsoft 365 suite
Apr 15, 2026
Microsoft Intune In Development for April 2026 is now available
MC1280536
Microsoft Intune
Apr 15, 2026
Updates available for Microsoft 365 Apps for all channels
MC1280185
Microsoft 365 apps
Apr 15, 2026
Outlook Mobile: Follow a meeting option
MC1248393
Exchange Online
Mar 10, 2026
Updated
Purview Communication Compliance: Temporary delays in processing due to planned infrastructure migration
MC1214183
Microsoft Purview
Jan 6, 2026
Updated
Engage events: Broadcast, meetings, and async events with new and improved event engagement features
MC1276513
Microsoft Viva
Apr 10, 2026
Updated
Always-on diagnostics for Endpoint DLP – Turned on by default
MC1246001Major Change
Microsoft Purview
Mar 6, 2026
Updated
Simplified Teams app bar to create a cleaner and more focused experience
MC1234559Major Change
Microsoft Teams
Feb 18, 2026
Updated
Microsoft Teams: New experience when users minimize the meeting window
MC1266027
Microsoft Teams
Mar 30, 2026
Updated
Outlook for Android: Unified user interface in text, image and zip previewers
MC1267871
Exchange Online
Apr 1, 2026
Updated
Microsoft Teams: Organization evaluation score for apps and agents
MC1218713
Microsoft Teams
Jan 16, 2026
Updated
Microsoft Entra: Passkeys in registration campaigns update
MC1279092
Microsoft Entra
Apr 13, 2026
Microsoft 365 Copilot Chat: Use prepaid Copilot Credits without Pay‑As‑You‑Go billing
MC1279072
Microsoft 365 suite
Microsoft 365 Copilot Chat
Apr 13, 2026
Queues app on Microsoft Teams mobile
MC1279071Major Change
Microsoft Teams
Apr 13, 2026
Microsoft Purview | Information Protection: Sensitivity label inheritance for Teams meeting artifacts
MC1279068
Microsoft 365 suite
Microsoft Purview
Apr 13, 2026
Microsoft Edge for Business: Cross-tenant support using Intune Mobile Application Management (MAM)
MC1255405Major Change
Microsoft 365 suite
Mar 18, 2026
Updated
Microsoft Teams: Live transcription in Teams Rooms on Android
MC1249432
Microsoft Teams
Mar 12, 2026
Updated
Support for Office LTSC 2021, and additional apps will end on October 13, 2026
MC1278920Major Change
Microsoft 365 suite
Apr 13, 2026
OneDrive: Simplified file transfer for departing employees
MC1164381
Microsoft OneDrive
Oct 2, 2025
Updated
Power Apps - Tenant-Level Microsoft 365 Copilot Settings to Enable Dataverse Data Access Announcement
MC1278715
Power Apps
Apr 13, 2026