Message Center changes 507

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IDTitleCategoryUpdatedAct by
MC1392559 (Updated) Microsoft Teams: Known issue affecting screen sharing on macOS
Microsoft Teams
Plan for change 20 Jul 2026 —
MC1434583 Microsoft 365 Copilot: Configure organization policy link for blocked Copilot Chat users
Microsoft 365 Copilot Chat
Stay informed 20 Jul 2026 —
MC1400824 (Updated) Microsoft Entra: Self-service password reset CAPTCHA protection updated
Microsoft Entra
Plan for change 20 Jul 2026 —
MC1411435 Microsoft 365 Copilot: Domain exclusion for web grounding
Microsoft 365 Copilot Chat
Stay informed 20 Jul 2026 —
MC1183010 (Updated) Microsoft 365 Copilot: Q&A in Read Aloud enables real-time voice interactions
Microsoft 365 Copilot Chat
Stay informed 20 Jul 2026 —
MC1430543 Microsoft Excel: Summarize text columns and generate categories with Copilot
Microsoft 365 apps
Stay informed 17 Jul 2026 —
MC1430530 Microsoft OneDrive: Exclude specific folders from syncing
Microsoft OneDrive
Stay informed 17 Jul 2026 —
MC1430529 Teams frontline mobile onboarding guide retirement
5 · High Microsoft Teams Major
Plan for change 17 Jul 2026 —
MC1248393 (Updated) Outlook Mobile: Follow a meeting option
Exchange Online
Stay informed 16 Jul 2026 —
MC1429019 Microsoft SharePoint Online: Restricted access control for sites enforced across Microsoft 365 search
SharePoint Online
Plan for change 15 Jul 2026 —
MC1248389 (Updated) Retirement of -Credential parameter when connecting to Exchange Online PowerShell
5 · High Exchange Online Major
Plan for change 15 Jul 2026 —
MC1426709 Microsoft Teams: Custom recording and transcription notifications now available for 1:1 calls
4 · Medium Microsoft Teams Major
Plan for change 15 Jul 2026 —
MC1422074 (Updated) OpenAI models will soon be available as a subprocessor in Microsoft 365 Copilot
5 · High Microsoft 365 suiteMicrosoft 365 Copilot Chat
Plan for change 14 Jul 2026 24 Jul 2026
MC1427970 Microsoft Forms automated email sender domain is changing
4 · Medium Microsoft Forms Major
Plan for change 14 Jul 2026 —
MC1427962 Network best practices for Teams town halls and live events with third‑party providers
3 · Medium Microsoft Teams
Prevent or fix issue 14 Jul 2026 —
MC1185445 Microsoft Purview compliance portal: Purview Information Protection | Classifier Simulation Mode (Health Monitoring)
Microsoft Purview
Stay informed 14 Jul 2026 —
MC1274550 (Updated) Microsoft Teams: Quick access to read items while using unread only mode
Microsoft Teams
Stay informed 14 Jul 2026 —
MC1422058 (Updated) Measure Copilot sentiment in the Copilot Dashboard with Viva Pulse
Microsoft Viva
Stay informed 14 Jul 2026 —
MC1325406 (Updated) Microsoft 365 Apps: Cloud update – simplified channel management (public preview)
Microsoft 365 apps
Stay informed 13 Jul 2026 —
MC1423109 Support for the “Get Diagnostics” feature visibility option within M365 Cloud Policy Service for Outlook Mobile and Mac
Microsoft 365 apps
Stay informed 10 Jul 2026 —
MC1423106 Introducing cross-tenant message recall in Exchange Online
4 · Medium Exchange Online Major
Plan for change 10 Jul 2026 —
MC1423105 Introducing Auto-Attendant Call Flow Visualizer in Teams Admin Center
Microsoft Teams
Stay informed 10 Jul 2026 —
MC1423101 M365 Copilot usage reports – updated reporting experience, faster refresh, and more Copilot usage metrics in Graph API
Microsoft 365 Copilot Chat
Stay informed 10 Jul 2026 —
MC1422061 Microsoft Entra ID: Retirement of Custom Controls in Conditional Access and migration to External MFA
8 · Critical Microsoft Entra Major
Plan for change 09 Jul 2026 30 Apr 2027
MC1422057 Update Exchange Web Services (EWS) allow list configuration for calendar
6 · High Microsoft Teams
Prevent or fix issue 09 Jul 2026 31 Jul 2026
MC1392563 (Updated) OneDrive transitions to the cloud.microsoft domain
Microsoft OneDrive
Stay informed 08 Jul 2026 —
MC1419802 Microsoft Teams: New layout for sharing content in Teams events
Microsoft Teams
Stay informed 07 Jul 2026 —
MC1419801 Microsoft Viva Insights: Is Active filter no longer applied by default in new Advanced Insights queries
Microsoft Viva
Stay informed 07 Jul 2026 —
MC1419800 SharePoint button web part: Add custom Copilot in SharePoint prompts or start Power Automate flows
SharePoint Online
Plan for change 07 Jul 2026 —
MC1419799 Configurable recovery window for Microsoft 365 Backup
Microsoft 365 suite
Stay informed 07 Jul 2026 —
MC1293480 (Updated) Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections
8 · Critical Exchange Online Major
Plan for change 07 Jul 2026 31 Jul 2026
MC1279071 (Updated) Queues app on Microsoft Teams mobile
4 · Medium Microsoft Teams Major
Plan for change 07 Jul 2026 —
MC1134737 (Updated) Microsoft Teams: Private channels increased limits and transition to group compliance
4 · Medium Microsoft Teams Major
Plan for change 07 Jul 2026 —
MC1418558 Change to taskbar pinning behavior for M365 Copilot and companion apps
Microsoft 365 Copilot Chat
Plan for change 07 Jul 2026 —
MC1227623 (Updated) Change meeting organizer via PowerShell cmdlet in Exchange Online
Exchange Online
Stay informed 06 Jul 2026 —
MC1218713 (Updated) Microsoft Teams: Organization evaluation score for apps and agents
Microsoft Teams
Stay informed 06 Jul 2026 —
MC1411431 (Updated) Microsoft Purview compliance portal: Admin assignment time limit
Microsoft Purview
Stay informed 02 Jul 2026 —
MC1230891 (Updated) SharePoint Designer 2013 reaches end of support on July 14, 2026
8 · Critical SharePoint Online Major
Plan for change 02 Jul 2026 13 Jul 2026
MC1411726 Remote Event Receivers in SharePoint Online will be retired
5 · High SharePoint Online Major
Plan for change 01 Jul 2026 —
MC1325416 (Updated) Microsoft Teams: Guest invitation emails will be sent from the inviter’s email address
Microsoft Teams
Plan for change 30 Jun 2026 —
MC1409102 Enabling group support for M365 Copilot Release preferences experience
Microsoft 365 suiteMicrosoft 365 Copilot Chat
Stay informed 30 Jun 2026 —
MC1401299 (Updated) Automatic recording and transcription for Teams Call Queues
Microsoft Teams
Stay informed 30 Jun 2026 —
MC1409305 Microsoft Entra: Blocking new assignments to partner tier support roles
5 · High Microsoft Entra Major
Plan for change 29 Jun 2026 —
MC1319213 (Updated) Microsoft Teams: Proximity join support for presenters in Teams events from Teams Rooms on Windows and Android
4 · Medium Microsoft Teams Major
Plan for change 29 Jun 2026 —
MC1311977 (Updated) Security Detection Report in Teams Admin Center
4 · Medium Microsoft Teams Major
Plan for change 29 Jun 2026 —
MC1219793 (Updated) Brand impersonation protection for Teams Calling
Microsoft Teams
Stay informed 29 Jun 2026 —
MC1405501 Microsoft Teams: Assistant information now available in Organization view
Microsoft Teams
Stay informed 26 Jun 2026 —
MC1403210 Data Privacy: Microsoft Online Services Subprocessor Disclosure
Microsoft 365 suite
Stay informed 26 Jun 2026 —
MC1311975 (Updated) Microsoft Purview compliance portal: Role groups user interface (UI) enhancements
Microsoft Purview
Stay informed 25 Jun 2026 —
MC1403404 Update to Microsoft Enterprise Content Delivery Network (eCDN) analytics data retention (360 days to 180 days)
4 · Medium Microsoft 365 suite Major
Plan for change 24 Jun 2026 —