Mute or unmute in Teams with a keyboard shortcut
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During a Teams meeting on Windows, press Ctrl+Shift+M to toggle your microphone between muted and unmuted. On a Mac, the matching shortcut is Command+Shift+M.
The Teams meeting window needs to be the active window. If you’re typing in Word, a browser, or another app, the shortcut may not reach Teams. Click the meeting window first, then press the keys.
This only changes the mute state in Teams. It won’t unmute a headset’s physical mute button or flip a muted boom mic back down. If the shortcut seems to work but nobody can hear you, check the hardware mute and the microphone selected under Settings > Devices. See Teams can’t hear me for the full checklist.
You can still use the mic button in the meeting controls if you prefer. The shortcut is mainly so you can mute quickly when someone walks in.