The message item actions menu has an updated design.

Release notes for Outlook for Windows (New) in Government Cloud Channels

February 27, 2026

• A warning now appears when you add external email addresses to a message.
• The Data Loss Prevention (DLP) warning dialog now matches the Win32 experience, with options for providing a justification and reporting false positives.
• DLP policies are now re-evaluated when you send a message to ensure compliance with the latest policies.
• The message item actions menu has an updated design.
• Insert row and column controls are now hidden when working with large tables in compose.