Mac Audio gets DISABLED when I mute. Then there is no way to enalbe on a call which has mics disabled and I have to restart the app.

Chris Norman 11 Reputation points
2025-10-30T16:29:36.99+00:00

I'm on a call with the entire company. Mic and chat is disabled. If I hit my MUTE button (OS level, nothing to do with Microsoft), the mic is also muted (ok, nice but it should be an option somewhere) and apparently, for some reason, the "audio system" is DISABLED. Thus when I unmute a minute later, I can't hear anything. The speaker is muted in the app. I just discovered that I have to click the purple speaker icon to enable it. Why doens't my mute button do this for me?

Outlook | MacOS | Legacy Outlook for Mac | For business
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  1. Jade-T 8,355 Reputation points Microsoft External Staff Moderator
    2025-10-31T01:30:16.55+00:00

    Hi @Chris Norman

    Thank you for posting your question in the Q&A Forum. 

    I understand how frustrating it can be when audio issues interrupt your calls. The behavior you describe, where the system-level mute on macOS disables the application's audio and requires manual intervention to restore it, is typically related to how certain conferencing applications handle their default audio settings.

    Here are a couple of effective solutions you may want to try:

    Resetting the Application's Default Audio Setting

    This approach ensures the application saves and recalls the correct audio output settings when you join a call.

    • Navigate to the Calendar section within your conferencing application.
    • Click on "Meet Now" or a similar option to initiate the pre-join screen.
    • Before joining, select the "Computer Audio" option, ensuring you are not selecting an option that indicates "no audio".
    • Click "Join now" to save the setting, and then immediately leave the test call. 

    The application should now reliably recall the correct audio output as the default for all future calls, eliminating the need for manual adjustment. 

    Instant Audio System Restoration 

    If you are stuck mid-call with no sound, you can reset the macOS audio engine (the Core Audio process) without restarting the entire application: 

    • Open Terminal (Found in Applications/Utilities).
    • Execute the following command (you'll need to enter your admin password): 
    sudo killall coreaudiod
    

    This will restart the audio system and often resolve the issue without requiring a full application restart. 

    Let us know if these steps help resolve the issue, or if you'd like assistance walking through them. We're happy to help further. 


    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".    

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread. 


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