While the primary tool is the 7-Zip archiver, various libraries allow users to manage 7z files programmatically:

: It uses AES-256 encryption by default to protect file data and headers. New R.7z

: 7z typically compresses files 30–70% smaller than the standard ZIP format. While the primary tool is the 7-Zip archiver,

: It supports various algorithms including LZMA (Lempel-Ziv-Markov chain algorithm), LZMA2, PPMd, and BZip2. Working with 7z in Different Environments New R.7z