Project Online retires September 30, 2026. From April 1, 2026, new Project Web App (PWA) site creation will be blocked, and unused PWA sites without projects will become inaccessible. Active sites remain functional. No admin action needed; prepare by ensuring sites contain projects before April 1...

Starting early to mid-February 2026, Outlook for iOS and Android on iPads may open Word, Excel, and PowerPoint attachments directly in their apps if installed, replacing the in-app previewer. This experiment affects iPad users only, requires no admin action, and may not be permanent.

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OneView and TrueTime features in Outlook Web App will retire between March and June 2026, removing personal account connections and combined calendar views. Users must manually manage calendars afterward. No admin action is needed, but users should be informed and directed to Outlook desktop apps...

Microsoft Purview Posture Reports are now generally available, providing admins unified, near-real-time insights into Information Protection and Data Loss Prevention. Reports auto-refresh hourly, appear by default in the Purview portal, and require no user action. Rollout begins early February 20...

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The isBroadcast property for creating Teams Live Events via Microsoft Graph will be retired by June 30, 2026. Developers must transition to Virtual Event APIs for Webinars and Town Halls. Existing events remain unaffected; migration and testing are advised before retirement.

A new Teams Events policy setting, Registration (default Enabled), will control if organizers can schedule events with registration. It complements AllowWebinars, which controls webinar creation via the Calendar app. Rollout begins February 2026; admins can disable registration via PowerShell if ...

Teams Live Events and related Microsoft Graph APIs will retire on June 30, 2026, with existing events supported until February 28, 2027. Customers should migrate to Teams town halls, which offer enhanced large-scale event features and comparable APIs. No admin changes are needed, but planning and...

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Microsoft Teams will add an ongoing meetings indicator in channels using the threads layout, showing active meetings with details and a Join button in the channel header. Rolling out from mid-February to mid-March 2026, it requires no admin action and does not change existing meeting policies.