/busy
Sets your status to Busy.
Where you type it
In message box or search bar.
Before you start: Teams desktop app only. Your organization can turn some commands off.
Add
Nothing else needed.
Example
/busy
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