Message Center changes 589

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IDTitleCategoryUpdatedAct by
MC1262590 (Updated) Planner tab support for Shared and Private Channels in Microsoft Teams
4 · Medium PlannerMicrosoft Teams Major
Plan for change 21 Jul 2026 —
MC1287370 (Updated) Auto upgrade of shared calendars from legacy MAPI model to modern REST model
Microsoft 365 suite
Plan for change 21 Jul 2026 —
MC1401303 (Updated) Microsoft Teams: New Events templates with "Optimize for large audience" and policy-based behavior
Microsoft Teams
Stay informed 20 Jul 2026 —
MC1392559 (Updated) Microsoft Teams: Known issue affecting screen sharing on macOS
Microsoft Teams
Plan for change 20 Jul 2026 —
MC1421919 (Updated) Web content setting in Microsoft 365 Copilot expands across Copilot experiences and moves to Settings
Microsoft 365 Copilot Chat
Stay informed 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 —
MC1426708 (Updated) End of support for OneDrive sync app on Windows 10 21H2 and earlier
4 · Medium Microsoft OneDrive Major
Plan for change 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 —
MC1430537 Copilot in Excel: Brand Kit skill
Microsoft 365 appsMicrosoft 365 Copilot Chat
Stay informed 17 Jul 2026 —
MC1430531 Microsoft Outlook: Meeting Insight is retiring
4 · Medium Exchange Online Major
Plan for change 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 —
MC1409303 Microsoft Edge enforces screen capture restrictions for sensitivity-labeled PDFs in OneDrive and SharePoint
3 · Medium SharePoint OnlineMicrosoft OneDrive 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 —
MC1324282 (Updated) Support for disabling file previews in Microsoft Teams
Microsoft Teams
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 —
MC1227087 (Updated) Events in Meet app – Introducing a redesigned, unified Events experience in Microsoft Teams
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 —
MC1426716 Neutral-themed SharePoint UI in page editing and property panes
SharePoint Online
Stay informed 13 Jul 2026 —
MC1423116 Microsoft Outlook for iOS and Android: Clearer Copilot availability in multi-account experiences
Exchange Online
Stay informed 13 Jul 2026 —
MC1423117 Thumbnail view for PDFs is available in OneDrive and SharePoint on the web
SharePoint OnlineMicrosoft OneDrive
Stay informed 10 Jul 2026 —
MC1423115 PDF annotation for sensitivity-label protected PDFs in the OneDrive apps (iOS and Android)
Microsoft OneDrive
Stay informed 10 Jul 2026 —
MC1423113 Create, view, and edit Markdown files in OneDrive mobile
Microsoft OneDrive
Stay informed 10 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 —
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
MC1421966 Set and edit your work location from your Outlook Mobile calendar
Exchange OnlineMicrosoft 365 apps
Stay informed 09 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 —
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
MC1318125 (Updated) Microsoft Teams: Quick Share for images
Microsoft Teams
Stay informed 07 Jul 2026 —
MC1318249 (Updated) New file download manager in Teams
Microsoft Teams
Stay informed 07 Jul 2026 —
MC1316228 (Updated) Keyboard shortcut dialog has search functionality
Microsoft Teams
Stay informed 07 Jul 2026 —
MC1279071 (Updated) Queues app on Microsoft Teams mobile
4 · Medium Microsoft Teams Major
Plan for change 07 Jul 2026 —
MC1287373 (Updated) Microsoft Teams introduces efficiency mode to improve app responsiveness
Microsoft Teams
Stay informed 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 —
MC1384425 (Updated) Copilot Notebooks available in Microsoft 365 Copilot Chat for Basic users
Microsoft 365 appsMicrosoft 365 Copilot Chat
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