Now in public preview: Press to unmute in meetings



You can now stay muted to avoid unwanted interruption or noise during a meeting and rapidly respond when called upon. You can now use a shortcut to unmute while holding down the keys Ctrl+Space (Windows) and Option+Space (macOS), then release keys to go back to muted state again.




Flighting status

Available to everyone now

How to enable

  • Go to Settings > Privacy tab. Check if “Keyboard shortcut to unmute” is enabled.
  • Join a call or a meeting. Mute yourself.
  • On Windows press and hold Ctrl+Space and on macOS press and hold Option+Space. You will see an alert regarding temporary unmute.
  • Release key combination. Microphone will be muted again.

Note 1: If you need information about enabling the public preview itself, see “Enable the public preview for Teams” below.

Note 2: To be able to use this feature, users joining a meeting need to be in Public Preview. Users not in Public Preview will still not be able to use this feature.



Supported clients and platforms

Windows 10









Internet Explorer












Known issues



Known limitations

Shortcuts in general do not work when apps in meetings are in focus.


Enable your Teams client for the public preview 


  1. First, IT admins need to set an update policy that turns on Show preview features. Learn how at Public preview in Microsoft Teams - Microsoft Teams | Microsoft Docs.  
  2. Users then choose to join the public preview individually. Learn how at Get early access to new Teams features - Office Support ( 

Summary of public preview features

For a history of features in the Office and Teams public previews, see Release Notes Current Channel (Preview) - Office release notes | Microsoft Docs.



Send us your feedback 

Got feedback on features in the public preview or other areas of Teams? Let us know straight from Teams via Help Give feedback This is on the bottom left of the your client.





Thank you,

Preview Team, @Jan_Steberl 

Quality & Customer Obsession, Microsoft Teams



1 Reply
Cool. It would be awesome to see this ruggedised within an iPhone so you can simply hold the button on the right hand side to talk, similar to walkie talkie :white_heavy_check_mark: