Thank you for posting your question in the Q&A Forum.
I understand how inconvenient it can be when the Mail and Calendar app keeps opening unexpectedly and sending multiple notifications, especially if it’s not something you use regularly.
There are two apps that may appear as Outlook. Microsoft Outlook is part of the Microsoft 365 suite and can’t be uninstalled separately, while Mail and Calendar is a built-in Windows app that can be safely removed.
Based on your description, the built-in Mail and Calendar app is likely what’s causing the problem. You can follow these steps to remove it or stop it from launching automatically:
Uninstall via Settings
- Press Windows + I to open Settings.
- Go to Apps > Installed apps (or Apps & features).
- Search for Mail and Calendar, then select Uninstall.
This should remove the app and stop the pop-ups and notifications.
Remove via PowerShell (Advanced option)
If the app still appears after uninstalling, you can remove it completely using PowerShell:
- Right-click the Start menu and select Windows PowerShell (Run as Administrator).
- Copy and paste the following command, then press Enter:
Get-AppxPackage Microsoft.windowscommunicationsapps | Remove-AppxPackage - Once completed, restart your PC and you can go back to Installed apps (or Apps & features) to double-check that Mail and Calendar is no longer listed.
I hope this helps resolve the issue. Please don’t hesitate to reach out if there’s anything else I can assist with.
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