Dark mode support is coming to the SharePoint admin center, allowing admins to switch between light and dark themes starting mid-February 2026. This optional feature improves visual comfort without affecting settings or end users, requiring no preparation or compliance changes.

Microsoft Defender XDR will add six new built-in alert tuning rules for Microsoft Defender for Endpoint starting February 8, 2026, to reduce low-priority alerts. Rules are visible for review until February 18, then activate by default but can be disabled anytime by admins. No action needed for de...

Starting mid-March 2026, Call Quality Dashboard will change Meeting ID to the numeric value from Teams invites, moving the old Meeting ID to a new Thread ID dimension. Administrators must update CQD queries, reports, and documentation accordingly to avoid issues. No compliance concerns noted.

We are announcing the ability to strengthen bot protection for forms with

We have a minor service update planned for your Microsoft Dataverse environment

MCP-based agents in Microsoft 365 Copilot Chat will support rich interactive UI widgets, enhancing user interactions with structured visuals. This rollout begins late February 2026. Admins manage agents via Microsoft 365 Admin Center with existing controls and Entra ID group access. No action is ...

Teams admins will soon access a new Protection reports section in the Teams admin center to review and export user-reported security submissions for calls (from mid-April 2026) and later for chats and channels. This requires enabling user reporting settings and helps improve organizational securi...

Microsoft Purview has removed relaxed proximity matching in out-of-box sensitive information types, enforcing stricter proximity rules to improve detection accuracy. This change may reduce detections in some scenarios and affects organizations using OOB SITs in data classification or DLP policies...

A new Exchange Online PowerShell cmdlet will allow admins to change the organizer of existing meetings or series, preserving meeting history and updating attendees silently within the tenant. Rollout begins mid-May 2026, requiring no configuration. User-initiated organizer changes in Outlook and ...

Teams Android device management is moving from the Teams admin center to the Teams Rooms Pro Management portal between April and September 2026. PMP will unify management of all Teams devices with enhanced features. No immediate action is needed; devices will auto-appear in PMP at General Availab...

Starting March 2026, Microsoft Defender Antivirus with MDE configuration management will stop storing readable exclusion values in the local registry. Organizations must use supported PowerShell cmdlets like Get-MpPreference to retrieve antivirus settings. Registry-based monitoring will no longer...