Knowing if it was in a specific game folder or an email would help narrow down its exact purpose. What is the "package.7z" File? - Bitwarden Community Forums
The .7z extension belongs to 7-Zip , an open-source archiver known for high compression ratios. System_Update_02.7z
Some applications download update packages into a temporary "updater" folder before running them. For example, Bitwarden and other apps have been noted to leave installer archives in local AppData folders. Knowing if it was in a specific game
If you found this file on your drive or a forum, it usually falls into one of these three categories: System_Update_02.7z