
Search for Command Prompt, right-click the result, and click the Run as administrator option. This is a known issue and Microsoft recommends the following workaround: If you’re experience problems trying to sync emails, or you’re unable to add new accounts after upgrading to a new version of Windows 10, it could be a problem with missing “Feature on Demand” packages. How to install missing Mail app packages on Windows 10 If this is the case, you can try opening Settings > Privacy, and making sure under Calendar and Email, in both sections “Mail and Calendar” option are turned on. Quick Tip: If you get an error trying to install the app, simply restart your computer and try again.Īfter you have configured the Mail app, the email syncing problem, the Mail not opening issue, or any other issue should be resolved.Īnother common problem that can affect the functionality of the Mail app (and Calendar) is the “Privacy” settings. To uninstall the built-in Mail app on Windows 10 with PowerShell, use these steps: To reset the Mail and Calendar apps using this method, you’ll need to use PowerShell to remove the app and then use the Microsoft Store to reinstall it. Once you’ve completed the steps, this reset option will permanently delete the app’s data, including settings, preferences, and sign-in details. Select the Mail and Calendar app from the list. To reset the Mail app using the Settings app, use these steps:


Windows 10 bundles several default apps, including the Mail app, which is the best experience to manage your email accounts.
