If you have encountered the Mail app error code 0x8007139f when adding your email account to the Mail app on your Windows 11 or Windows 10 device, then this post is ...
In the command, I'm using the "Get-AppxPackage" to grab the app, and the "Reset-AppxPackage" instructs the system to reset ...
open Settings > Apps > Apps and features > Search for Microsoft Store > Advanced options > Use the Reset button. TIP: Windows 11/10 also allows you to Reset Microsoft Store apps via Settings.