Microsoft 365 Message Center

Comprehensive archive of Microsoft 365 service updates and feature announcements.

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Message Details	Services	Published	Last Updated
Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (Android) MC1309746	Microsoft 365 apps	May 13, 2026 Updated	May 21, 2026
Microsoft Teams: Attend Microsoft webinars from Teams Rooms on Android MC1317839Major Change	Microsoft Teams	May 21, 2026	May 21, 2026
Outlook: Support for storing S/MIME certificates in contacts in new Outlook MC1302908	Exchange Online Microsoft 365 apps	May 6, 2026 Updated	May 21, 2026
Microsoft Teams: Unblock users to send message while file is uploading in the background MC1317836	Microsoft Teams	May 21, 2026	May 21, 2026
Microsoft Purview \| Data Loss Prevention: Faster policy sync (2 hours to 30 minutes) MC1317834	Microsoft Purview	May 21, 2026	May 21, 2026
Microsoft Purview \| Insider risk management- Insider risk management for risky agents MC1200579	Microsoft Purview	Dec 19, 2025 Updated	May 21, 2026
High Volume Email for Microsoft 365 now generally available MC1243552	Exchange Online	Mar 4, 2026 Updated	May 21, 2026
Microsoft Teams: A refreshed in-meeting experience with simpler controls and a smarter share panel MC1317197Major Change	Microsoft Teams	May 20, 2026	May 20, 2026
Microsoft Purview \| Data Security Investigations: Proactive AI insights in Data Security Posture Management MC1317196	Microsoft Purview	May 20, 2026	May 20, 2026
Microsoft Copilot Notebooks: Introducing Infographics MC1317195	Microsoft 365 apps	May 20, 2026	May 20, 2026
Use Copilot to explain selected slide content in PowerPoint Live MC1280558	Microsoft 365 apps	Apr 15, 2026 Updated	May 20, 2026
Dynamics 365 Contact Center – Enable AI-assisted time-off and swap requests MC1317126	Dynamics 365 Apps	May 20, 2026	May 20, 2026
2026 Microsoft 365 Packaging Update MC1304290Major Change	Exchange Online Microsoft Intune+1 more	May 8, 2026 Updated	May 20, 2026
Microsoft Purview \| Information Protection: Auto-labeling for Microsoft Azure Storage and Azure SQL MC933531	Microsoft 365 suite Microsoft Purview	Nov 13, 2024 Updated	May 20, 2026
Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (iPhone) MC1307979	Microsoft 365 apps	May 12, 2026 Updated	May 20, 2026
PowerPoint for Windows desktop: "Review this presentation" skill in Copilot MC1309735	Microsoft 365 apps Microsoft 365 Copilot Chat	May 13, 2026 Updated	May 20, 2026
PowerPoint for Windows desktop: “Visualize this slide” skill in Copilot MC1309731	Microsoft 365 apps Microsoft 365 Copilot Chat	May 13, 2026 Updated	May 20, 2026
PowerPoint for the web: "Review this presentation" skill in Copilot MC1309737	Microsoft 365 apps Microsoft 365 Copilot Chat	May 13, 2026 Updated	May 20, 2026
PowerPoint for Mac: “Visualize this slide” skill in Copilot MC1309732	Microsoft 365 apps Microsoft 365 Copilot Chat	May 13, 2026 Updated	May 20, 2026
PowerPoint for the web: “Visualize this slide” skill in Copilot MC1309733	Microsoft 365 for the web Microsoft 365 Copilot Chat	May 13, 2026 Updated	May 20, 2026
PowerPoint for Mac: "Review this presentation" skill in Copilot MC1309736	Microsoft 365 apps Microsoft 365 Copilot Chat	May 13, 2026 Updated	May 20, 2026
Microsoft Purview Data Loss Prevention: Optical character recognition for images in Office and PDFs on Windows MC1310681	Microsoft Purview	May 14, 2026 Updated	May 20, 2026
Microsoft Purview eDiscovery: Naming and description fields will restrict certain special characters MC1282562Major Change	Microsoft Purview	Apr 16, 2026 Updated	May 20, 2026
Power Automate - Create and visualize custom KPIs in the process intelligence experience MC1310386	Microsoft Power Automate	May 14, 2026 Updated	May 20, 2026
New flexibility and choice for sharing organizational data across Microsoft 365 and Viva apps MC1316232	Microsoft 365 suite	May 19, 2026	May 19, 2026
Microsoft Teams: Front-of-room view control for Webinars and structured meetings in Teams Rooms on Android MC1316231Major Change	Microsoft Teams	May 19, 2026	May 19, 2026
Microsoft Purview Data Security Investigations: Notifications and enhanced search MC1316229	Microsoft Purview	May 19, 2026	May 19, 2026
Keyboard shortcut dialog has search functionality MC1316228	Microsoft Teams	May 19, 2026	May 19, 2026
Dynamics 365 Commerce - Display distance in kilometers on the Store Commerce app MC1301490	Dynamics 365 Apps	May 5, 2026 Updated	May 19, 2026
Microsoft Power Automate - Support for normalized schema import for data ingestion MC1296281	Microsoft Power Automate	Apr 30, 2026 Updated	May 19, 2026
Dynamics 365 Customer Service - Enable enhanced screen recording controls for admins MC1302880	Dynamics 365 Apps	May 6, 2026 Updated	May 19, 2026
Microsoft Copilot Studio – Group and analyze the performance of user questions by themes MC1295106	Dynamics 365 Apps	Apr 29, 2026 Updated	May 19, 2026
Product transitions to the cloud.microsoft domain – September 2025 MC1162275	Microsoft Teams Microsoft 365 apps	Sep 29, 2025 Updated	May 19, 2026
Rewrite with Microsoft 365 Copilot Chat coming soon to Edge for Business users MC1146821	Microsoft 365 Copilot Chat	Sep 2, 2025 Updated	May 19, 2026
Microsoft Teams: Meeting organizers can automatically start transcription without recording MC1283816	Microsoft Teams	Apr 17, 2026 Updated	May 19, 2026
Microsoft Viva Copilot Analytics: Daily Copilot usage snapshot with fresh data MC1314949	Microsoft Viva	May 18, 2026 Updated	May 19, 2026
Microsoft Teams introduces efficiency mode to improve app responsiveness MC1287373	Microsoft Teams	Apr 21, 2026 Updated	May 19, 2026
Microsoft Teams: Sharing recap access MC1289724	Microsoft Teams	Apr 23, 2026 Updated	May 19, 2026
Microsoft Teams frontline BYOD onboarding wizard MC1184994	Microsoft Teams	Nov 12, 2025 Updated	May 19, 2026
M365 and Microsoft Teams: Unified management of app and agent availability in Teams, Outlook, and the Microsoft 365 app MC796790Major Change	Microsoft Teams Microsoft 365 apps	May 29, 2024 Updated	May 19, 2026
Dynamics 365 Sales - Get sales operations insights in Sales Research Agent MC1315879	Dynamics 365 Apps	May 19, 2026	May 19, 2026
Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding MC1187682	Microsoft 365 suite	Nov 18, 2025 Updated	May 18, 2026
Microsoft Purview: Data Security Investigations – analyze files tied to endpoint DLP alerts MC1258000	Microsoft Purview	Mar 21, 2026 Updated	May 18, 2026
Microsoft Purview \| Microsoft Foundry integration with Microsoft Purview for AI MC1202976	Microsoft Purview	Dec 22, 2025 Updated	May 18, 2026
Outlook on the web: New setting to use data classification services for DLP evaluation MC1315220Major Change	Exchange Online	May 18, 2026	May 18, 2026
Update to agents in SharePoint: Simpler launch experience and new site AI settings MC1315219	SharePoint Online	May 18, 2026	May 18, 2026
SharePoint Pages: Heading 1 (H1) option now available in web part title areas MC1315218	SharePoint Online	May 18, 2026	May 18, 2026
Microsoft Copilot Studio – Classic agent creation moves from Teams to web experience, retiring June 30, 2026 MC1315217Major Change	Microsoft 365 suite Microsoft Teams	May 18, 2026	May 18, 2026
Dynamics 365 Contact Center – Secondary audio device for notifications in Digital Messaging conversations MC1315214	Dynamics 365 Apps	May 18, 2026	May 18, 2026
Planner is now available in Outlook and Microsoft 365 Copilot MC1309747	Exchange Online Planner	May 13, 2026 Updated	May 18, 2026