It is used as a distribution package for independent games, such as the prototype build for Divergence Sync available on itch.io .
Some reporting dashboards, like those from APB Reports , use a "Zip Sync" method to transfer large HTML projects via 7z files. Technical Specifications
Specific utility archives, such as worms-2_wmv-sync.7z , are distributed for fixing synchronization issues in older games like Worms 2 on Linux.
In tools like chrlauncher , "sync.7z" is a standard filename for browser binaries used to update or synchronize the application.
a-sync/7z-extra: 7-Zip Extra is a package of extra ... - GitHub