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This format works based on the main compression algorithm LZMA. It was originally used in 7-Zip archives. Other compression algorithms can be used in 7z since this format has open architecture for developers. It has a high compression coefficient. The encryption algorithm is AES-256.

A common format for compressing data. It’s used by a large number of applications for the exchange of data, back-ups and file compression. In ZIP archives they use various compression algorithms. The cryptographic algorithm is proprietary, so confidential data is better stored in an archive with a more complex protection system (RAR, 7z, etc.).