Microsoft 365 Message Center

Comprehensive archive of Microsoft 365 service updates and feature announcements.

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Services
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Microsoft Teams introduces efficiency mode to improve app responsiveness
MC1287373
Microsoft Teams
Apr 21, 2026
Microsoft Entra ID Governance Account Discovery
MC1287372
Microsoft Entra
Apr 21, 2026
Microsoft Teams: Shared voicemails for call queues will be easier to manage
MC1287371
Microsoft Teams
Apr 21, 2026
Auto upgrade of shared calendars from legacy MAPI model to modern REST model
MC1287370
Microsoft 365 suite
Apr 21, 2026
Microsoft Teams: Live chat will be renamed to Customer Connect
MC1287369
Microsoft Teams
Apr 21, 2026
Team site homepages will automatically collapse inactive News web parts
MC1287368
SharePoint Online
Apr 21, 2026
Microsoft 365 Copilot: Change in accessing additional agents in Excel
MC1287365
Microsoft 365 apps
Apr 21, 2026
Dynamics 365 Contact Center - Update representative presence on missed, rejected notification
MC1287358
Dynamics 365 Apps
Apr 21, 2026
Microsoft Outlook: Copilot Chat available in shared and delegate mailboxes
MC1246031Major Change
Microsoft 365 apps
Microsoft 365 Copilot Chat
Mar 6, 2026
Updated
Introducing the new SharePoint experience
MC1240699
SharePoint Online
Feb 27, 2026
Updated
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
Microsoft Teams: Rule-based enablement of Microsoft 365 third-party apps in the Teams admin center
MC1085133Major Change
Microsoft Teams
May 29, 2025
Updated
Microsoft Loop – Require Existing Microsoft 365 Group for New Loop workspaces
MC929022
Microsoft 365 apps
Nov 8, 2024
Updated
Microsoft Teams: Badging updates to help users find messages that count
MC1268911
Microsoft Teams
Apr 2, 2026
Updated
Microsoft Purview | Data Loss Prevention – Adaptive scopes for DLP for SharePoint
MC1234571
Microsoft Purview
Feb 18, 2026
Updated
SharePoint: AI citations analytics for documents and pages
MC1247902
SharePoint Online
Mar 9, 2026
Updated
Open Outlook emails directly in Copilot chat
MC1223826
Microsoft 365 Copilot Chat
Jan 29, 2026
Updated
Co-organizer experience updates in Teams Webinars and Townhalls
MC688109
Microsoft Teams
Nov 8, 2023
Updated
Microsoft Purview | DLP to safeguard sensitive data from external web search in Microsoft 356 Copilot and Copilot Chat
MC1263277
Microsoft Purview
Mar 27, 2026
Updated
Microsoft Teams admin center: Events license management for Attendee Capacity Pack licenses
MC1283813
Microsoft Teams
Apr 17, 2026
Updated
Microsoft Outlook: Automatically display automapped calendars
MC906502
Microsoft 365 for the web
Microsoft 365 apps
Oct 7, 2024
Updated
Microsoft Purview: Information Protection – Extended scoping capabilities for sensitivity label policies
MC1262573
Microsoft 365 suite
Microsoft Purview
Mar 26, 2026
Updated
Data Loss Prevention: Decoupling policy tips and email notifications for SharePoint and OneDrive
MC791114
Microsoft 365 suite
Microsoft Purview
May 8, 2024
Updated
Microsoft Purview | Information Protection: Auto-labeling for Microsoft Azure Storage and Azure SQL
MC933531
Microsoft 365 suite
Microsoft Purview
Nov 13, 2024
Updated
SharePoint Designer 2013 reaches end of support on July 14, 2026
MC1230891Major ChangeAction Required
SharePoint Online
Feb 11, 2026
Updated
Publishing InfoPath Forms in SharePoint Online will not be allowed for all tenants
MC1255407Major Change
SharePoint Online
Mar 18, 2026
Updated
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
Microsoft Purview | Data lifecycle Management cmdlet connectivity change
MC1213770
Microsoft Purview
Jan 6, 2026
Updated
Modernized Change Management for Microsoft 365
MC1282306Major Change
Microsoft 365 suite
Microsoft 365 Copilot Chat
Apr 16, 2026
Updated
Microsoft 365 Copilot: Updates to memory and personalization
MC1158329
Microsoft 365 Copilot Chat
Sep 23, 2025
Updated
Microsoft Teams: Meeting organizers can automatically start transcription without recording
MC1283816
Microsoft Teams
Apr 17, 2026
First channel in new Microsoft Teams will default to threaded conversation layout
MC1283811
Microsoft Teams
Apr 17, 2026
General Availability: Microsoft Entra passkeys on Windows
MC1282568
Microsoft Entra
Apr 16, 2026
Updated
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
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
Microsoft Entra ID Governance: Azure subscription required to continue using guest governance features
MC1225192Major Change
Microsoft Entra
Jan 30, 2026
Updated
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