- Cmd + Shift + U
- Select "Audio MIDI Setup"
- Select "Microsoft Teams Audio Device"
- Select "-"
- Open a terminal
sudo rm -f /Library/Audio/Plug-Ins/HAL/MSTeamsAudioDevice.driver/Contents/MacOS/MSTeamsAudioDevice
- Open Activity Monitor
- Find the MS Teams Core Audio Driver and select it
- Click Quit or Force Quit