/schedulemessage
Schedules the message you're writing to send later.
Where you type it
In message box.
Before you start: Teams desktop app only. Your organization can turn some commands off.
Add
The day and time.
Example
/schedulemessage
Microsoft says built-in slash commands work only in Teams desktop. Most work in the message box; /chat works only in the search bar. A real command built into Teams, checked against its own help pages in November 2026. Official help page