First.7z

It can pack/unpack 7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM. It can also extract (but not create) dozens of others like RAR, ISO, DMG, and EXE.

It adds a convenient right-click menu to Windows File Explorer for quick "Extract" or "Add to archive" actions. ⚖️ The Trade-offs first.7z

The native .7z format typically yields a 30-70% better compression ratio than the standard ZIP format. It can pack/unpack 7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM

Based on the file extension , you are likely asking about 7-Zip , the free and open-source file archiver. It can pack/unpack 7z