While troubleshooting the issue I reported in this thread:
I discovered a very bad design problem with the backup function when using the Windows store version of the EnPass app. The default path for backups is the following location:
C:\Users\<user>\AppData\Local\Packages\SinewSoftwareSystems.EnpassPasswordManager_fwdy0m65qb6h2\LocalState\Backups
However, when you uninstall the app, the following folder gets deleted as part of the uninstall:
C:\Users\<user>\AppD