Applications like The Unarchiver can easily handle 7z files.
Theoretically, 7z archives can handle files up to 16 billion gigabytes (16 exabytes). 2A-NEW2007.7z
It typically achieves 30–50% better compression than the standard ZIP format, primarily using the LZMA and LZMA2 algorithms. Applications like The Unarchiver can easily handle 7z files