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Mattermost

Mute or unmute yourself

CmdShiftSpace

Mac Desktop app Mattermost

Practice this

In Mattermost, Ctrl + Shift + Space will mute or unmute yourself. On a Mac, press Cmd + Shift + Space instead.

Where it works: In a call

Holding the spacebar is the documented push to talk alternative.

Every documented variant

Variants of this shortcut
System	Environment	Keys
Mac	Desktop app	`CmdShiftSpace`
Windows	Desktop app	`CtrlShiftSpace`

Where this comes from

Mattermost keyboard shortcuts

Documentation checked on 2026-09-12. That is a documentation review, not a test run inside the application.

The same task in other apps

Turn the microphone on or off ClickUp Option + Cmd + Shift + M
Toggle your microphone Discord Cmd + Shift + M
Turn the microphone on or off Google Meet Cmd + D
Toggle your huddle microphone Slack Cmd + Shift + Space
Toggle your microphone Microsoft Teams Cmd + Shift + M
Toggle your microphone Zoom Cmd + Shift + A

More Mattermost shortcuts

Raise or lower your hand Cmd + Shift + Y
Share or stop sharing your screen Cmd + Shift + E
Leave the current call Cmd + Shift + L
Open a new window for this server Cmd + N
Open a new tab for this server Cmd + T
Go to the next tab Cmd + Tab
Go to the previous tab Cmd + Shift + Tab
Close the current tab Cmd + W

See every Mattermost shortcut

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