Microsoft 365 Message Center MC1266857: Take Action: Out-of-band update to address an issue affecting installation of the March 2026 non-security preview update Microsoft has identified an issue affecting installation of the March 2026 Windows
Microsoft 365 Message Center MC1262522: (Updated) The March 2026 Windows non-security preview update is now available (Updated 3-31-2026: The March 2026 Windows non-security preview update
Microsoft 365 Message Center MC1266850: Updates available for Microsoft 365 Apps for Current Channel We've released updates to the following update channel for Microsoft
Microsoft 365 Message Center MC1266693: Microsoft Dataverse - Discover, build, customize, and extend with management MCP server We are announcing the ability to give developers and system integrators a
Microsoft 365 Message Center MC1266651: Dynamics 365 Sales - Engage leads with deeper knowledge by connecting any data source to Sales Development agent We are announcing the ability to engage leads with deeper knowledge by
Microsoft 365 Message Center MC1266582: Dynamics 365 Sales - Connect Fabric Lakehouse data to AI‑powered sales research We are announcing the ability to connect Microsoft Fabric Lakehouse data to
Microsoft 365 Message Center MC1266027: Microsoft Teams: New experience when users minimize the meeting window Microsoft Teams will introduce a new minimized meeting window experience allowing users to raise hands and send reactions without restoring the full window. Two minimized views—expanded (showing up to four videos) and compact—are available. The update rolls out April–May 2026 and requires no admi...
Microsoft 365 Message Center MC1266026: One-time email passcodes for external presenters in Teams events Microsoft Teams will introduce one-time email passcodes to verify anonymous external presenters in events, rolling out from April to June 2026. Tenant admins can enforce verification policies, allowing organizers to control external presenter access by requiring sign-in or passcodes, enhancing ev...
Microsoft 365 Message Center MC1266025: Update on custom domain guidance for Teams Event emails Custom domain configuration is no longer required for custom HTML editing in Teams event emails, effective immediately. However, configuring a custom domain is still recommended for better sender identity, email deliverability, and trust, especially for external audiences. Documentation will be u...
Microsoft 365 Message Center MC1266022: Microsoft Teams: Auto-detect spoken language in multilingual meetings Microsoft Teams will auto-detect spoken languages in multilingual meetings, updating captions and transcripts in real time, removing manual language selection. This applies when Interpreter or multilingual speech recognition is enabled, supports 10 languages, and rolls out April 2026. No admin ac...
Microsoft 365 Message Center MC1266021: Microsoft 365 Copilot: New chat-first design for the Copilot mobile app Microsoft 365 Copilot mobile app will get a new chat-first design starting late April 2026, with updates to navigation, chat input, and voice interactions. The update is automatic, requires no admin action, and applies to all users on iOS and Android worldwide, enhancing usability without changin...
Microsoft 365 Message Center MC1266016: Microsoft Purview | Data Security Investigations – Introducing new personal data examination Microsoft Purview Data Security Investigations will add an AI-powered personal data examination by late April 2026, identifying personal information within investigation datasets. This feature complements existing analyses, requires no admin action, respects permissions, and aids privacy exposure...