The push-to-talk feature allows you to remain muted throughout your Zoom meeting and hold down the spacebar when you want to be unmuted and talk.
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When you are in a Zoom meeting and you are muted, hold the spacebar when you want to talk and the Zoom window is in focus. Your screen will show a message indicating that you are temporarily unmuted and the microphone will appear green when you talk.
Note: You will not be able to unmute yourself with push to talk if the host has prevented participants from unmuting.