You need to uninstall two items to fully uninstall Teams, so make sure you follow all the steps.
- Quit Teams by right-clicking the Teams icon in the taskbar and choosing Close window.
- In Windows, click on the Start button , > Settings > Apps.
- Under Apps & features, search “teams”.
- Highlight Microsoft Teams, then select Uninstall.
- A box will appear, then again select Uninstall to confirm. A new box will appear, asking Do you want to allow this app to make changes to your device? Select Yes.
Now select Teams Machine-Wide Installer, click Uninstall. Then follow the same process described in step 5.
To uninstall Teams you need to uninstall both Microsoft Teams and Teams Machine-Wide Installer.
Quit Teams by right-clicking the Teams app in the dock, then holding down Option and clicking Force Quit. Open the Application Folder, select Microsoft Teams, and move it to the Trash.