To fully uninstall Microsoft Teams, first uninstall via Settings or Control Panel to remove the main app. Next, manually delete leftover files and folders from hidden directories like C:\Users\YourUsername\AppData\Roaming\Microsoft\Teams and C:\Users\YourUsername\AppData\Local\Microsoft\Teams. Optionally, edit the registry to remove lingering settings under HKEY_CURRENT_USER and HKEY_LOCAL_MACHINE. Lastly, prevent automatic reinstallation by using Group Policy Editor or by removing the installer file in WindowsApps.
Uninstalling Microsoft Teams isn't always as simple as clicking "Uninstall" in your apps list. Because it integrates deeply with Windows and Office, leftover files and background processes often remain even after removal. If you want a clean uninstall — whether to reinstall a different version or just get rid of it completely — here's what you need to do.

1. Uninstall via Settings or Control Panel
Start with the standard method:

- Go to Settings > Apps > Apps & Features, find Microsoft Teams, and click "Uninstall."
- Alternatively, use the Control Panel > Programs > Uninstall a program path.
This removes the main app, but not all related data.
2. Delete Leftover Files and Folders
Teams stores cache and user data in hidden folders. You'll need to manually remove these:

Navigate to the following locations and delete any Teams-related folders:
C:\Users\YourUsername\AppData\Roaming\Microsoft\Teams
C:\Users\YourUsername\AppData\Local\Microsoft\Teams
C:\Users\YourUsername\AppData\Local\Microsoft\Teams meetings add-in
Note: AppData is a hidden folder by default. Enable "Show hidden files" in File Explorer if needed.
These folders can take up space and may cause issues if you reinstall Teams later.
3. Clear the Registry (Optional but Thorough)
If you're comfortable editing the registry, this step ensures no old settings linger:
- Open Registry Editor (
regedit
) - Navigate to
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
- Look for any entries named “Microsoft Teams” and delete them
?? Be careful when editing the registry — only remove what you’re sure about.
You can also check under:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
4. Stop Teams from Reinstalling Automatically
Even after uninstalling, Teams might come back — especially if you use Office 365. To prevent that:
- Open Group Policy Editor (
gpedit.msc
) - Go to Computer Configuration > Administrative Templates > Microsoft Office 2016 > Teams
- Set “Prevent installation of Teams” to Enabled
If you don’t have access to Group Policy (common on home editions), you can block auto-installation by renaming or removing the Teams installer file located in:
C:\Program Files\WindowsApps\Microsoft.Teams_...
Removing Microsoft Teams fully takes a few extra steps beyond the basic uninstall, but doing so helps avoid clutter and potential conflicts down the road. It’s not complicated, just easy to miss a folder or setting if you rush through it.
The above is the detailed content of How to completely uninstall Microsoft Teams?. For more information, please follow other related articles on the PHP Chinese website!

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