You have to press the Windows key+I keys together.Ģ. You have to adjust the privacy settings to let apps have access to your calendar.ġ. Note: If you reinstall the mail app, all your credentials, and emails, and data stored will be deleted and will not be saved unless you personally back it up. If there is no issue found you can always try the other two methods. If the troubleshooter finds an issue, you can use the troubleshooter to fix the issue. Once installed you can run the Troubleshooter and let it scan for known or possible problems and issues with the store Applications that you have installed on your Pc.

You can download the Windows store apps Troubleshooter from the official Microsoft website. Windows had comprehended and estimated the possibility of the number of bugs that could be faced by their new operating system and especially their newly introduced native Apps. Method 4 – Trying the official Windows Troubleshooter I have listed the procedure to reregister apps in windows in a few simple and easy steps below, for you to followĢ- Click on the Search bar, and search for cmd.ģ- Right click on command prompt from the results and run it as Administrator.Ĥ- Enter the following command PowerShell -ExecutionPolicy Unrestricted -Command '& 'Ĭlose the powershell and register the mail app again, once the command finishes running. Note: Make sure you have closed the Mail app before following the below listed steps.