I've moved your post to a separate topic. Here are the existing topics regarding context-menu extensions for the Microsoft Store version including explanations on why it's not possible to realize at the moment:
Awesome that you've got this on the store - really useful simply to allow auto-update to be implemented so I don't have to worry about managing updates across the machines I have this on at home!
I've tried installing/uninstalling a couple of times and it looks like the Win10 store app does not setup the File Explorer extension as the stand-alone version provided.
I can understand this not being easy/available during installation with the Windows 10 Store rules, but if not possible during inst…
I switched from the Windows Desktop Application to the Windows10 App from the Windows Store.
Both work very similar except for one crucial thing.
The Explorer Menu-context integration is not there anymore.
With the Desktop Application mp3tag was right under the right-click menu-options when clicking an audiofile.
With the switch to the W10 App this option is gone (or I cannot find the setting to activate).
I now have to do more actions before I can edit tags in audiofiles. I manually have t…