The automatic installation of the new Outlook app on Windows 10 can be disruptive. This guide provides methods to prevent this automatic installation and also covers how to uninstall the app if it’s already installed.
Modifying the Registry carries inherent risks. Incorrect changes can cause system instability. Back up your system before proceeding.
Method 1: Blocking Automatic Installation Through Registry Modification
Step 1: Open Start.
Step 2: Search for regedit and click the top result to open the Registry Editor.
Step 3: Browse to the following path:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsUpdate\Orchestrator\UScheduler_Oobe
Step 4: Right-click the UScheduler_Oobe (folder) key, select New then String Value.
Step 5: Name the new key BlockedOobeUpdaters and press Enter.
Step 6: Right-click the newly created key and select Modify.
Step 7: Change the value to ["MS_Outlook"].
Step 8: Click the OK button.
Step 9: Restart your computer.
Method 2: Uninstalling the New Outlook App
If the new Outlook app is already installed, you can remove it using the following methods.
Uninstall via Settings App
Step 1: Open Settings.
Step 2: Click on Apps.
Step 3: Click on Apps & features.
Step 4: Select the "Outlook (new)" app from the list.
Step 5: Click the Uninstall button.
Step 6: Click the Uninstall button again to confirm.
Uninstall via PowerShell
Step 1: Open Start.
Step 2: Search for PowerShell, right-click the top result, and select Run as administrator.
Step 3: Type the following command to uninstall the new Outlook app from Windows 10 and press Enter:
Get-AppxPackage Microsoft.OutlookForWindows | Remove-AppxPackage
If you change your mind later, you can always reinstall the new Outlook app from the Microsoft Store.
By following these instructions, you can stop the automatic installation of the new Outlook app and remove it if necessary. Remember to proceed with caution when modifying the Registry.