The following steps will allow Teams to access your Camera and Microphone.
This is specific to people using macOS 10.14(Mojave) or higher, ie. Catalina, Big
Sur. Users using Mojave, please ignore the Screen Recording step.
1. In the top-left corner of the Mac Desktop, click Apple menu then select System
Preferences.
2. The System Preferences window appears. Click the Security & Privacy icon.
3. The Security & Privacy window opens. Click the Privacy tab.
4. In the lower left of the window, click the padlock icon to make changes. Enter your Mac's
administrator username and password.
5. In the left column, click the Accessibility section. If Microsoft Teams is not listed on the right
side, click the plus sign and add Microsoft Teams. Then check the Microsoft Teams
checkbox.
6. Click the Camera section. Check the Microsoft Teams checkbox.
7. Click the Microphone section. Check the Microsoft Teams checkbox.
8. Click the Screen Recording section. Check the Microsoft Teams checkbox.
9. Close the Security & Privacy window.
10. Quit Microsoft Teams and reopen Teams to enact these changes.