It appears you’re having an issue with audio recordings in OneNote for Mac. Here are some troubleshooting steps you can try:

1. Make sure your microphone is plugged in
   Plug your microphone into the correct port and the sound settings on your Mac.


2. Allow access for OneNote
   Check the privacy settings on your Mac to ensure OneNote has permission to view content related to audio recordings.


3. Troubleshoot audio settings
   Make sure the boundary and master output levels are correct.