Notice the structure includes:

Before explaining , we must define what it represents.

: The user selects a currently installed UWP app from a list populated by the tool.

(Windows Store App Backupper) is a specialized open-source utility designed to back up and repackage installed Windows Store applications into .appx or .appxbundle files.

The project is hosted on under the Wapitiii/WSAppBak repository , where you can find the source code and the latest releases. Wapitiii/WSAppBak: APPX Backupper and Repacker - GitHub

: It allows users to take installed Windows Store applications and convert them back into installable Package Signing : The tool includes logic to digitally sign packages

: It functions as an APPX Backupper and Repacker . It can decompile installed apps and repackage them into installable formats.