Microsoft 365 Message Center

Comprehensive archive of Microsoft 365 service updates and feature announcements.

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Message Details	Services	Published	Last Updated
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 Viva Copilot Analytics: Daily Copilot usage snapshot with fresh data MC1314949	Microsoft Viva	May 18, 2026 Updated	May 19, 2026
Microsoft Teams: Sharing recap access MC1289724	Microsoft Teams	Apr 23, 2026 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
Outlook: Improved handling of disallowed and failed email reactions MC1261593	Exchange Online	Mar 25, 2026 Updated	May 18, 2026
Microsoft Purview \| Insider Risk Management: Policy tuning analysis for priority content only policies MC1059679	Microsoft Purview	Apr 21, 2025 Updated	May 18, 2026
Microsoft Teams: AI-powered notes for in-person meetings with Facilitator in Teams Rooms on Android MC1307888	Microsoft Teams	May 11, 2026 Updated	May 18, 2026
Microsoft Edge for Business: New PDF viewer powered by Adobe engine now available for testing in Edge Beta MC1072406	Microsoft 365 suite	May 12, 2025 Updated	May 18, 2026
New PDF Viewer Enabled by Default in Microsoft Edge Starting October 2025 MC1154300	Microsoft 365 suite	Sep 16, 2025 Updated	May 18, 2026
Viva Engage Communities and Storylines in Teams – Individual enablement controls MC1302904	Microsoft Teams Microsoft Viva	May 6, 2026 Updated	May 18, 2026
Microsoft Teams: Ad-hoc room reservation from Teams Rooms on Windows console MC1245225	Microsoft Teams	Mar 5, 2026 Updated	May 18, 2026
Microsoft Teams: AI Interpreter (simultaneous) quality improvements and new Traditional Chinese support MC1267977	Microsoft Teams	Apr 2, 2026 Updated	May 18, 2026
Microsoft Teams town halls now support backup Real-Time Messaging Protocol (RTMP) streams MC1261595	Microsoft Teams	Mar 25, 2026 Updated	May 18, 2026
Consult and merge into a meeting or group call via Dual-Tone Multi-Frequency (DTMF) MC1183611	Microsoft Teams	Nov 7, 2025 Updated	May 18, 2026
Microsoft Teams: Automatic removal of EXIF data from shared images MC1217997	Microsoft Teams	Jan 14, 2026 Updated	May 18, 2026
Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures MC1194079	Microsoft Teams	Dec 10, 2025 Updated	May 18, 2026
Microsoft Purview \| Data lifecycle Management cmdlet connectivity change MC1213770	Microsoft Purview	Jan 6, 2026 Updated	May 18, 2026
Microsoft Teams: Digital signage support for Teams panels MC1311979	Microsoft Teams	May 15, 2026	May 15, 2026
Classic Outlook for Windows: User-initiated insights with Copilot MC1311978	Microsoft 365 Copilot Chat	May 15, 2026	May 15, 2026
Security Detection Report in Teams Admin Center MC1311977Major Change	Microsoft Teams	May 15, 2026	May 15, 2026
Department billing for Microsoft 365 Backup MC1311976	Microsoft 365 suite	May 15, 2026	May 15, 2026
Microsoft Purview compliance portal: Role groups user interface (UI) enhancements MC1311975	Microsoft Purview	May 15, 2026	May 15, 2026
PowerPoint for Windows: Create a presentation with Copilot directly from PowerPoint Home MC1311974	Microsoft 365 apps	May 15, 2026	May 15, 2026
PowerPoint for Mac: Create a presentation with Copilot directly from PowerPoint Home MC1311973	Microsoft 365 apps	May 15, 2026	May 15, 2026
PowerPoint for the web: Create a presentation with Copilot directly from the PowerPoint web app MC1311972	Microsoft 365 apps	May 15, 2026	May 15, 2026
Copilot in SharePoint will start rolling out to all tenants as an opt-out preview starting in mid-June 2026 MC1311968	SharePoint Online	May 15, 2026	May 15, 2026
Microsoft 365 Copilot: Planner Agent rename and rollout to premium and basic plans MC1250279	Planner	Mar 12, 2026 Updated	May 15, 2026
Microsoft Viva Engage: Flexible targeting of Storyline Announcements MC1183013	Microsoft Viva	Nov 5, 2025 Updated	May 15, 2026
Viva Engage: Community feeds improvements MC1187781	Microsoft Viva	Nov 18, 2025 Updated	May 15, 2026
Create charts on pages with AI in SharePoint MC1282567	SharePoint Online	Apr 16, 2026 Updated	May 15, 2026
Purview Communication Compliance: Temporary delays in processing due to planned infrastructure migration MC1214183	Microsoft Purview	Jan 6, 2026 Updated	May 15, 2026
Microsoft Teams: AI-powered notes for in-person meetings with Facilitator in Teams Rooms on Windows MC1307512	Microsoft Teams	May 11, 2026 Updated	May 15, 2026
Dynamics 365 Customer Service - Unlock Workforce Engagement capabilities with Customer Service Enterprise license MC1310832	Dynamics 365 Apps	May 14, 2026	May 14, 2026
Authoritative Sites for SharePoint in Microsoft Copilot MC1310687	SharePoint Online	May 14, 2026	May 14, 2026
SharePoint Online: Storage quota enforcement updated to align with license limits MC1310684Action Required	SharePoint Online	May 14, 2026	May 14, 2026
Microsoft Teams: Standardized preview experience for PowerPoint, Excel, and Word files MC1310683	Microsoft Teams	May 14, 2026	May 14, 2026
Microsoft Purview Data Loss Prevention: Optical character recognition for images in Office and PDFs on Windows MC1310681	Microsoft Purview	May 14, 2026	May 14, 2026
New Outlook for Windows: LDAP support for S/MIME certificate lookup MC1310680	Exchange Online	May 14, 2026	May 14, 2026
Microsoft 365 Backup management through SharePoint Admin Center MC1310678	SharePoint Online Microsoft OneDrive	May 14, 2026	May 14, 2026
Microsoft Purview: Update to ResultCount parameter in the Search-UnifiedAuditLog cmdlet MC1310672	Microsoft Purview	May 14, 2026	May 14, 2026
Microsoft Loop – User Accessible Recycle Bin for Loop workspaces MC929021	Microsoft 365 apps	Nov 8, 2024 Updated	May 14, 2026