If you are a perfectionist who dislikes unknown files on your drives, go ahead and delete wsappbak . If you prefer to leave things untouched, the file will sit there quietly, consuming a negligible amount of space.
: It is a critical utility for sideloading apps that are no longer available on the official Microsoft Store or for installing patched versions of apps. Wapitiii/WSAppBak: APPX Backupper and Repacker - GitHub
When you trigger a backup, the app creates a snapshot of your: Text-based conversations. Media: Photos, videos, and voice notes. Metadata: Timestamps, contact links, and group settings.
