A new Copilot drafting experience in Outlook
Microsoft 365 Copilot gets a new side-by-side drafting experience in Outlook, letting users refine and iterate on emails through back-and-forth interaction with Copilot without leaving the compose window.
Microsoft 365
Control file attachments in offline mode for the new Outlook for Windows
Exchange Online has a new OWAMailboxPolicy setting that lets administrators control whether file attachments are accessible when users work offline in the new Outlook for Windows.
Office for the web now supports applying sensitivity labels with user-defined permissions
Office for the web now supports applying sensitivity labels with user-defined permissions in Word, Excel, and PowerPoint, closing a gap for previously required desktop clients.
Upcoming changes to the Semi-Annual Enterprise Channel for Microsoft 365 Apps
Microsoft will consolidate the Semi-Annual Enterprise Channel into the Monthly Enterprise Channel for Microsoft 365 Apps in July 2026. All affected devices will automatically shift to a monthly update cadence.
Outlook Lite for Android: End of service in May 2026
Microsoft is completely retiring Outlook Lite for Android. Existing installations will lose mailbox connectivity. Users should migrate to Outlook Mobile for Android.
Teams admins should check their private channel migration status
Microsoft reports the migration of private channels is 95% complete, with completion expected by late April 2026. Teams admins should check the migration state to determine whether their tenant is affected by failed channel migrations.
A simplified app installation experience in the Teams Admin Center
A new app installation experience in the Teams Admin Center lets apps be installed individually for users, groups, or Everyone, finally replacing the inflexible app setup policies.
Running a Custom Data Risk Assessment for SharePoint and OneDrive files in Microsoft Purview
Microsoft Purview Data Security Posture Management now supports item-level investigation and remediation for SharePoint and OneDrive files, providing insights into sensitivity label status and sharing link details. Administrators can take direct remediation actions on flagged items, including applying sensitivity labels and removing sharing links.
Microsoft retires noise suppression from OneDrive and SharePoint video playback
Microsoft is retiring the noise suppression capability from the video playback controls for videos stored in OneDrive or SharePoint in July 2026.
Expanded profile card in Outlook Classic will be retired
The expanded profile card in Outlook Classic will be retired in June 2026. Only a reduced contact card will be available. Microsoft advises informing users about the change.