MC1258087: Take Action: Out-of-band update released to address an issue signing in to apps with a Microsoft account
🚨Major Update: This post contains a significant change that may impact your
MC1258000: Microsoft Purview: Data Security Investigations – analyze files tied to endpoint DLP alerts
Microsoft Purview’s Data Security Investigations will include endpoint Data Loss Prevention (DLP) events as a queryable source, enabling admins to analyze related files automatically. Rolling out April–May 2026, this feature enhances investigation efficiency using AI tools without user impact or ...
MC1254512: (Updated) Second deployment phase for Kerberos RC4 hardening begins with the April 2026 Windows security update
Updated March 20, 2026: Added additional guidance for devices using Azure Files
MC1257218: Action Required: Update active Exchange Web Services Applications
🚨Major Update: This post contains a significant change that may impact your
MC1256307: Microsoft Teams: Recently used emojis sync across devices
Microsoft Teams will sync recently used emojis and reactions across all devices by mid-May 2026, providing a consistent experience. The feature is enabled by default, affects all users, requires no action, and does not impact data storage, compliance, or messaging policies.
MC1256306: Microsoft 365 Copilot: Planner Agent available in Frontier
Microsoft 365 Copilot's Planner Agent is now available in Frontier, enabling users with Copilot licenses to create, update, and manage tasks and plans directly in Copilot chat. It offers intelligent insights, interactive task cards, and natural language prompts. Available now in Frontier; public ...
MC1256301: Microsoft Teams for Mac: Improved access to account management
Microsoft Teams for macOS will add new account management access points in the app menu and Dock icon menu by late April 2026. Existing policies and permissions remain unchanged. The update is automatic and enabled by default, requiring no user action. Notify helpdesk and update documentation if ...
MC1256117: Frontier Admin Control: Single enrollment across all apps, platforms, and agents
Frontier Admin Control will unify enrollment across all Microsoft 365 apps, platforms, and agents starting early April 2026. Only users enabled in the control can access Frontier features. No action is required, but admins may review enrollment and update documentation as needed.
MC1256040: Designer tools in Copilot
Designer tools in Copilot, rolling out from mid-February to early April 2026, provide users with enhanced controls to refine prompts and adjust visuals in image creation across Microsoft 365. Enabled by default, no admin changes are needed, and existing policies remain in effect.
MC1256008: Microsoft Dataverse – Service Update 9.2.26033.00000 for GBR
We have a minor service update planned for your Microsoft Dataverse environment
MC1255714: Dynamics 365, Power Platform, and Role-based Copilot offerings 2026 release wave 1 plans available now
On March 18, 2026, we published the 2026 release wave 1 plans
MC1255709: Dynamics 365 Customer Service – Define critical questions in evaluation criteria
We are announcing the ability to define critical questions in evaluation criteria