Microsoft Exchange/Office365 Windows

How to uninstall and prevent the installation of Teams in the future on Windows

How to uninstall and prevent the installation of Teams in the future on Windows

Microsoft Teams is a cloud-based team collaboration program that is included in the Microsoft 365 and Office 365 suites of apps. Microsoft Teams’ key functions include messaging, calling, video meetings, and file sharing. Teams can be used by individuals and businesses of various sizes. However, you can uninstall Microsoft Teams if you prefer your other open-source alternatives like Slack and the rest. If you’re not removing Teams to make room for other apps, but rather to troubleshoot its faults, you can see our detailed guide on how to Fix Microsoft Teams White Screen to help you troubleshoot better before deciding to uninstall it.

Unfortunately, Microsoft Teams can automatically reinstall itself if not entirely removed. Microsoft Teams comes with multiple items to uninstall and requires specific actions to ensure it doesn’t come back. Seeing Microsoft Teams make a return can be frustrating to experience.

Please see the following related guides: How to install and activate Office 2019 on your Mac PCHow to Cancel Office 365 Family Subscription, how to complete Microsoft Office 365 Family Subscription, how do you change the account that Office says it belongs to on a Mac, and how to remove Microsoft Outlook, Teams, Words PowerPoint, and Excel apps from Mac.

Reasons Why Microsoft Teams Keep Reinstalling

The reason Microsoft Teams continues reinstalling is simple: it was never entirely removed in the first place.  This can occur with certain Microsoft Teams installations, particularly when it is packaged and deployed as part of an organization-wide Office subscription. If this is the case, Microsoft Teams will come with two pieces of software installed. The first, Microsoft Teams, is what most people will search for and remove.

The second, Teams Machine-Wide installer, is software that is used in Microsoft Office enterprise deployments to automatically install Microsoft Teams across multiple PCs. If you have the Teams Machine-Wide Installer installed, Microsoft Teams may continue to install even after you have uninstalled it.

If you wish to prevent Microsoft Teams from reinstalling, you must delete this when you uninstall it.

How to Uninstall Microsoft Teams using Windows Settings

Follow the steps below to uninstall Microsoft Teams requires via the windows Settings menu.

Press the Windows key + I to open the Settings menu. Under settings, click Apps and select Apps & features from the right pane.

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Settings: Apps & Features

Search for Teams using the Search apps box. If you have the Teams Machine-Wide Installer listed, this will appear alongside Microsoft Teams in the list.

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Apps & features: Searching for Teams

You’ll need to remove both Teams and Teams Machine-Wide Installer using this menu. Click on the Microsoft Teams option first, then press the Uninstall button.

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Apps & features: Uninstalling Teams and Teams Machine-Wide Installer

Following the completion of the process, Microsoft Teams will uninstall automatically. Once this process is complete, repeat the steps above for the Teams Machine-Wide Installer. Select the option, then press Uninstall > Uninstall to remove it.

The Teams Machine-Wide Installer will be deleted within a few seconds. After that, Microsoft Teams should be totally gone, and you should not see it again until you manually reinstall it.

Remove all Microsoft Teams Configuration Folders and Registry Keys

Once the Teams Machine-Wide Installer has been uninstalled, Microsoft Teams should stop installing itself. If it keeps reinstalling itself, you may need to clean up and remove any extra configuration files.

You can also use a registry entry to prevent Microsoft Teams from installing on PCs where it has been installed as part of an organizational deployment, albeit this may only work for specific users.

To remove Microsoft Teams configuration folder, do the following

Open File Explorer then copy and paste this %localappdata%\Microsoft\ in the address bar and hit enter. Alternatively, you can press the Windows key + R to open the Run box, then copy and paste this folder path %localappdata%\Microsoft\ and click ok to open the file path.

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Windows file explorer

If a Teams folder exists, right-click and press Delete to remove it.

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Removing Microsoft Teams components in file explorer
To stop Microsoft Teams from reinstalling via registry

Press the Windows key + R to open the Run box, type Regedit, then hit OK to do this.

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Run: Opening Registry

In the Registry Editor enter the path below to search for the Teams registry folder;

HKEY_CURRENT_USER\Software\Microsoft\Office\Teams\
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Microsoft Teams registry path

If there isn’t a PreventInstallationFromMsi key in place, you’ll need to create one. Right-click and press New > String Value, naming the string PreventInstallationFromMsi once inserted.

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Microsoft Teams registry path

Double-click the string you created and give it a value of 1, then press OK to save. You can close the Registry Editor at this point.

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Microsoft Teams registry path

Conclusion

While removing Microsoft Teams is simple, preventing it from reinstalling or being installed in the first place requires additional procedures. Administrators and desktop support workers must know the various components and situations in order to maintain control over their Microsoft Teams client deployments.

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