Microsoft 365 Message Center

Comprehensive archive of Microsoft 365 service updates and feature announcements.

Showing 747 recently active messages. Use Ctrl K to search all 3083 archived updates.

Message Details	Services	Published	Last Updated
Microsoft Teams: Copilot PSTN audio announcements MC1260709	Microsoft Teams	Mar 24, 2026	Mar 24, 2026
Microsoft Entra ID: Improved readability for Authentication Methods Policy Update audit logs MC1260708	Microsoft Entra	Mar 24, 2026	Mar 24, 2026
Microsoft Teams: Catch up in Teams mobile MC1260707	Microsoft Teams	Mar 24, 2026	Mar 24, 2026
Microsoft Purview: Information Protection - Policy sync status for M365 Label publishing policies MC1260706	Microsoft 365 suite Microsoft Purview	Mar 24, 2026	Mar 24, 2026
Updates available for Microsoft 365 Apps for Current Channel MC1260704	Microsoft 365 apps	Mar 24, 2026	Mar 24, 2026
Outlook Mobile: New external image handling option for safe senders MC1260700	Exchange Online Microsoft 365 apps	Mar 24, 2026	Mar 24, 2026
Introducing awards and certifications section in M365 profile card MC1250272	Microsoft 365 apps	Mar 12, 2026 Updated	Mar 24, 2026
Microsoft Purview \| Data lifecycle Management cmdlet connectivity change MC1213770	Microsoft Purview	Jan 6, 2026 Updated	Mar 24, 2026
Retirement of external access token for actionable messages – moving to Microsoft Entra authentication MC1189663Major ChangeAction Required	Microsoft 365 apps	Nov 25, 2025 Updated	Mar 24, 2026
Changes to OneLake operation reporting in Microsoft Fabric MC1259829	Power BI	Mar 23, 2026	Mar 23, 2026
Microsoft Purview: Credential scanning in Data Security Posture Agent MC1259828	Microsoft Purview	Mar 23, 2026	Mar 23, 2026
Microsoft Purview: Data Security Investigations – analyze files tied to audit log activities MC1259827	Microsoft Purview	Mar 23, 2026	Mar 23, 2026
Microsoft Purview: Data Security Investigations – role-based access simplification MC1259826	Microsoft Purview	Mar 23, 2026	Mar 23, 2026
SharePoint Advanced Management: Site admin control for restricted content discovery MC1259825	SharePoint Online	Mar 23, 2026	Mar 23, 2026
Offline attachments policy for the new Outlook for Windows MC1259820	Exchange Online Microsoft 365 apps	Mar 23, 2026	Mar 23, 2026
Viva Engage: Agents in Viva Engage communities Public Preview MC1155311	Microsoft Viva	Sep 18, 2025 Updated	Mar 23, 2026
Data Security Posture Agent is now available in preview MC1217155	Microsoft Purview	Jan 13, 2026 Updated	Mar 23, 2026
Microsoft 365 admin center: Usage reports to manage metered consumption costs for Microsoft 365 Copilot Chat (preview) MC1069563	Microsoft 365 suite	May 7, 2025 Updated	Mar 23, 2026
Microsoft Viva Insights: New prompt categories in the Microsoft Copilot Dashboard MC1092459	Microsoft Viva	Jun 11, 2025 Updated	Mar 23, 2026
Microsoft Teams: Reduced automatic updates in Meet Now channel meeting threads MC1235118	Microsoft Teams	Feb 19, 2026 Updated	Mar 23, 2026
Microsoft Viva Engage: Flexible targeting of Storyline Announcements MC1183013	Microsoft Viva	Nov 5, 2025 Updated	Mar 23, 2026
New policy to add watermarks to content generated or altered by using AI in Microsoft 365 MC1221451	Microsoft 365 Copilot Chat	Jan 23, 2026 Updated	Mar 23, 2026
Microsoft 365 admin center - Usage reports: Agent usage (preview) MC1148545	Microsoft 365 suite	Sep 5, 2025 Updated	Mar 23, 2026
Microsoft Teams frontline BYOD onboarding wizard MC1184994	Microsoft Teams	Nov 12, 2025 Updated	Mar 23, 2026
Power Apps - Use Microsoft 365 Copilot in model-driven apps MC1259433	Power Apps	Mar 23, 2026	Mar 23, 2026
Power Automate - Share Process license capacity across workflows MC1259418	Microsoft Power Automate	Mar 23, 2026	Mar 23, 2026
Microsoft Purview: Data Security Investigations – analyze files tied to endpoint DLP alerts MC1258000	Microsoft Purview	Mar 21, 2026	Mar 21, 2026
Microsoft Purview DLP: Unmanaged cloud app discovery and protection with Microsoft Purview and Palo Alto Prisma Access MC1257999Major Change	Microsoft Purview	Mar 21, 2026	Mar 21, 2026
Microsoft Teams: Building‑level insights on the Teams Rooms Pro Management portal recommended actions page MC1257308	Microsoft Teams	Mar 20, 2026	Mar 20, 2026
Copilot Notebooks: New features coming to Frontier Public MC1254552	Microsoft 365 apps	Mar 17, 2026 Updated	Mar 20, 2026
Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding MC1187682	Microsoft 365 suite	Nov 18, 2025 Updated	Mar 20, 2026
App names hidden in app bar for a cleaner, more focused experience MC1226220	Microsoft Teams	Feb 2, 2026 Updated	Mar 20, 2026
New policy setting to require explicit consent for recording and transcription in Teams 1:1 calls MC1163766	Microsoft Teams	Oct 1, 2025 Updated	Mar 20, 2026
Microsoft Teams: Unified attachment flow on Teams Mobile MC1070854	Microsoft Teams	May 9, 2025 Updated	Mar 20, 2026
Unread News Notifications in Viva Connections MC1138793	SharePoint Online Microsoft Viva	Aug 20, 2025 Updated	Mar 20, 2026
Rewrite with Microsoft 365 Copilot Chat coming soon to Edge for Business users MC1146821	Microsoft 365 Copilot Chat	Sep 2, 2025 Updated	Mar 20, 2026
Outlook: Delimiter setting admin policy MC1239176	Exchange Online	Feb 26, 2026 Updated	Mar 19, 2026
Microsoft Teams: Recently used emojis sync across devices MC1256307	Microsoft Teams	Mar 19, 2026	Mar 19, 2026
Microsoft 365 Copilot: Planner Agent available in Frontier MC1256306	Planner	Mar 19, 2026	Mar 19, 2026
Microsoft Teams for Mac: Improved access to account management MC1256301	Microsoft Teams	Mar 19, 2026	Mar 19, 2026
Microsoft 365 Copilot: Introducing infinite scroll for chat history MC1237701	Microsoft 365 Copilot Chat	Feb 23, 2026 Updated	Mar 19, 2026
Retirement of the Semi-Annual Enterprise Channel option in the Office Customization Tool MC1249427Major Change	Microsoft 365 apps	Mar 12, 2026 Updated	Mar 19, 2026
Microsoft Outlook: Automatically display automapped calendars MC906502	Microsoft 365 for the web Microsoft 365 apps	Oct 7, 2024 Updated	Mar 19, 2026
Microsoft Office for the web: Apply sensitivity labels with user-defined permissions MC1208688	Microsoft 365 apps Microsoft Purview	Dec 29, 2025 Updated	Mar 19, 2026
InfoPath 2013 client and InfoPath Forms Services in SharePoint Online will reach end of support in July 2026 MC616550Major Change	SharePoint Online	Jun 30, 2023 Updated	Mar 19, 2026
Designer tools in Copilot MC1256040	Microsoft 365 Copilot Chat	Mar 19, 2026	Mar 19, 2026
Dynamics 365, Power Platform, and Role-based Copilot offerings 2026 release wave 1 plans available now MC1255714	Dynamics 365 Apps	Mar 19, 2026	Mar 19, 2026
Dynamics 365 Customer Service – Define critical questions in evaluation criteria MC1255709	Dynamics 365 Apps	Mar 19, 2026	Mar 19, 2026
Microsoft Teams: Improvements to "Activity in other accounts and orgs panel" MC1184992Major Change	Microsoft Teams	Nov 12, 2025 Updated	Mar 18, 2026
Microsoft Entra passkeys on Windows now support phishing-resistant sign-in MC1247893	Microsoft Entra	Mar 9, 2026 Updated	Mar 18, 2026
Updates available for Microsoft 365 Apps for Current Channel MC1255412	Microsoft 365 apps	Mar 18, 2026	Mar 18, 2026
Lists as a knowledge source for agents in SharePoint and OneDrive MC1255409	SharePoint Online	Mar 18, 2026	Mar 18, 2026
Publishing InfoPath Forms in SharePoint Online will not be allowed for all tenants MC1255407Major Change	SharePoint Online	Mar 18, 2026	Mar 18, 2026
Microsoft Purview \| Data Security Triage Agent Summaries for DLP Alerts in Microsoft Defender XDR MC1255406Major Change	Microsoft Defender XDR Microsoft Purview	Mar 18, 2026	Mar 18, 2026
Microsoft Edge for Business: Cross-tenant support using Intune Mobile Application Management (MAM) MC1255405Major Change	Microsoft 365 suite	Mar 18, 2026	Mar 18, 2026
Improved OneDrive sync experience for macOS users MC1255404	Microsoft OneDrive	Mar 18, 2026	Mar 18, 2026
Set a custom name for the OneDrive sync folder MC1242782	Microsoft OneDrive	Mar 3, 2026 Updated	Mar 18, 2026
New Microsoft Purview data security posture management experience MC1191257Major Change	Microsoft Purview	Dec 1, 2025 Updated	Mar 18, 2026
Prevent/Fix: Microsoft Baseline Security Mode has automatically trigger Entra Conditional Access policy creation MC1246002	Microsoft Entra	Mar 6, 2026 Updated	Mar 18, 2026
New admin control for AI‑generated code previews in Microsoft 365 Copilot Pages MC1254560	Microsoft 365 Copilot Chat	Mar 17, 2026	Mar 17, 2026
Microsoft Purview compliance portal: Endpoint DLP classification support for Azure RMS–protected Office documents MC1254558	Microsoft Purview	Mar 17, 2026	Mar 17, 2026
Purview DSPM’s Data Risk Assessments now support item-level investigation and remediation of SharePoint MC1254556	Microsoft Purview	Mar 17, 2026	Mar 17, 2026
Upcoming retirement of select threat detections in Microsoft Defender for Cloud Apps MC1254554Major Change	Microsoft Defender XDR	Mar 17, 2026	Mar 17, 2026
Microsoft Teams: New slash command in compose to create workflows MC1254553Major Change	Microsoft Teams	Mar 17, 2026	Mar 17, 2026
Power Apps - Custom theming for model-driven apps is becoming generally available MC1254543	Power Apps	Mar 17, 2026	Mar 17, 2026
DLP policies will be able to block Copilot processing of sensitivity‑labeled files in all storage locations MC1234661	Microsoft 365 suite Microsoft 365 apps+1 more	Feb 19, 2026 Updated	Mar 17, 2026
Microsoft Purview \| Microsoft Foundry integration with Microsoft Purview for AI MC1202976	Microsoft Purview	Dec 22, 2025 Updated	Mar 17, 2026
[Reminder] Microsoft Teams Premium Self-Service Trials (Originally announced in MC670435) MC1181209	Microsoft Teams	Oct 29, 2025 Updated	Mar 17, 2026
Dynamics 365 Sales - Improve opportunity context with AI-based data enrichment MC1254454	Dynamics 365 Apps	Mar 17, 2026	Mar 17, 2026
Dynamics 365 Sales - Modern, in-flow email template picker for Sequences MC1254451	Dynamics 365 Apps	Mar 17, 2026	Mar 17, 2026
Build SharePoint automations with Workflows—now aligned with the Teams experience MC1138798	SharePoint Online Microsoft Teams	Aug 20, 2025 Updated	Mar 17, 2026
Outlook: Support for recommended and automatically applied sensitivity labels in Outlook for iOS and Android MC1247891	Exchange Online	Mar 9, 2026 Updated	Mar 17, 2026
Microsoft Purview \| Data Loss Prevention – Adaptive scopes for DLP for SharePoint MC1234571	Microsoft Purview	Feb 18, 2026 Updated	Mar 17, 2026
Microsoft Teams - Native MacOS screen and window sharing in Teams meetings MC1187801	Microsoft Teams	Nov 18, 2025 Updated	Mar 17, 2026
Microsoft Teams: Apps now supported in Private Channels MC1197145	Microsoft Teams	Dec 15, 2025 Updated	Mar 17, 2026
Microsoft Purview: Data Loss Prevention - Security Store now available to discover DLP integrations MC1247882	Microsoft Purview	Mar 9, 2026 Updated	Mar 17, 2026
Outlook Mobile: Follow a meeting option MC1248393	Exchange Online	Mar 10, 2026 Updated	Mar 16, 2026
Whiteboards created in Teams channels will now be stored in SharePoint MC1253753Major Change	Microsoft Teams	Mar 16, 2026	Mar 16, 2026
Microsoft Teams: Manage multiple phone numbers within one Teams account MC1253752Major Change	Microsoft Teams	Mar 16, 2026	Mar 16, 2026
Microsoft 365 Copilot: Upload local files now supports .eml and .msg file types MC1253750	Microsoft 365 Copilot Chat	Mar 16, 2026	Mar 16, 2026
Microsoft Entra: Passkeys in Microsoft registration campaigns MC1253746	Microsoft Entra	Mar 16, 2026	Mar 16, 2026
Microsoft 365 Copilot Apps installation on devices with Microsoft 365 Apps MC1152323Major Change	Microsoft 365 apps Microsoft 365 Copilot Chat	Sep 12, 2025 Updated	Mar 16, 2026
Dynamics 365 Sales - Get additional Dataverse storage capacity MC1253515	Dynamics 365 Apps	Mar 16, 2026	Mar 16, 2026
Dynamics 365 Customer Service - Control evaluation volume with sampling MC1253514	Dynamics 365 Apps	Mar 16, 2026	Mar 16, 2026
Trust DigiCert Global Root G2 certificate authority to avoid Exchange Online email disruption MC1224565Major ChangeAction Required	Exchange Online	Jan 30, 2026 Updated	Mar 16, 2026
Power Apps - Download wrapped apps directly from Dataverse MC1253499	Power Apps	Mar 16, 2026	Mar 16, 2026
Microsoft 365 Copilot: Q&A in Read Aloud enables real-time voice interactions MC1183010	Microsoft 365 Copilot Chat	Nov 5, 2025 Updated	Mar 16, 2026
Microsoft Loop – Require Existing Microsoft 365 Group for New Loop workspaces MC929022	Microsoft 365 apps	Nov 8, 2024 Updated	Mar 16, 2026
Microsoft Outlook for iOS/Android: Improved Contacts with profile enrichment and duplicate management MC1093912	Exchange Online Microsoft 365 apps	Jun 13, 2025 Updated	Mar 16, 2026
Microsoft 365 Copilot: Podcast voice interactions make audio experiences conversational MC1183009	Microsoft 365 apps	Nov 5, 2025 Updated	Mar 16, 2026
Consult and merge into a meeting or group call via Dual-Tone Multi-Frequency (DTMF) MC1183611	Microsoft Teams	Nov 7, 2025 Updated	Mar 16, 2026
Microsoft Teams: Meeting participants can request collaborative annotation sessions MC1019312	Microsoft Teams	Feb 28, 2025 Updated	Mar 16, 2026
Microsoft 365 Copilot: Business justification for Copilot license requests MC1227088	Microsoft 365 suite	Feb 5, 2026 Updated	Mar 16, 2026
Microsoft Viva Glint: AI-generated survey insights with Copilot highlights MC1247887	Microsoft Viva Microsoft 365 Copilot Chat	Mar 9, 2026 Updated	Mar 16, 2026
Microsoft Secure Score: New recommendations for Microsoft Defender for Endpoint MC1251207	Microsoft Defender XDR	Mar 13, 2026	Mar 13, 2026
Microsoft Teams: Identify external bots joining your Teams meetings MC1251206	Microsoft Teams	Mar 13, 2026	Mar 13, 2026
Prevent/Fix: Microsoft Purview \| Activity Explorer - Total count includes duplicate results MC1251201	Microsoft 365 suite Microsoft Purview	Mar 13, 2026	Mar 13, 2026
Microsoft Viva Engage \| Email sender domain migration from @yammer.com to @engage.mail.microsoft MC1251200	Microsoft Viva	Mar 13, 2026	Mar 13, 2026
(Update)Microsoft Entra ID: General Availability of passkey profiles and migration for existing Passkeys (FIDO2) tenants MC1221452Major Change	Microsoft Entra	Jan 23, 2026 Updated	Mar 13, 2026
Outlook: retiring “Contact Masking” (hide suggested recipients) - March 31, 2026 MC1234566Major ChangeAction Required	Microsoft 365 suite	Feb 18, 2026 Updated	Mar 13, 2026

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