While there are a number of different ways to deal with a pesky third-party program that refuses to be uninstalled, the case of Microsoft Teams reinstalling itself every time it’s uninstalled is a little different. How to Uninstall Microsoft Teams and Prevent it from Reinstalling itself? As long as the Teams Machine-Wide Installer is on your computer, your computer will continue to reinstall Teams right under your nose.
The Download the Teams app in the background for Skype for Business users option is enabled in the Microsoft Teams Admin Center: As long as this option is enabled, any computer on the network that Teams is uninstalled from will automatically re-download and reinstall the program without notifying the user whenever they sign in to their Skype for Business client.
