- Knowledge Base
- Software, Applications, & AI
- Microsoft 365
- Outlook
Explains how to turn on and use the Undo Send feature in Outlook on the web, New Outlook for Windows, and Outlook for Mac, and how to set up a delayed-send rule in Classic Outlook for Windows. Undo Send gives a short grace period to cancel a message after clicking Send. Applies to Bowdoin students, faculty, and staff.