7z - Features and Enhancements

Features and Enhancements

The 7z format provides the following main features:

  • Open, modular architecture which allows any compression, conversion, or encryption method to be stacked.
  • High compression ratios (depending on the compression method used)
  • Strong Rijndael/AES-256 encryption.
  • Large file support (up to approximately 16 exbibytes).
  • Unicode file names
  • Support for solid compression, where multiple files of like type are compressed within a single stream, in order to exploit the combined redundancy inherent in similar files.
  • Compression and encryption of archive headers.

The format's open architecture allows additional future compression methods to be added to the standard.

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