The Teams Machine Wide installer is an application which is responsible to install Microsoft Teams for every users on the device when you install any Microsoft 365 click to run installer.
Earlier, when Microsoft Teams was released it was a standalone application which required to be install manually apart from Microsoft 365 applications, later Microsoft Teams was joined to the Microsoft 365 family.
Microsoft wanted to install Microsoft Teams automatically for all the existing Microsoft 365 users, Microsoft started to install the Teams Machine Wide installer on all the user device which has any active Microsoft 365 subscription.
In order to stop Microsoft Teams from automatically getting installed on your device, you must uninstall the Teams machine wide installer from your device. I hope in this article you learn how to uninstall Microsoft Teams and teams machine wide installer properly.