![]() The LZ stage is followed by entropy coding using a Markov chain based range coder and binary trees. LZMA – A variation of the LZ77 algorithm, using a sliding dictionary up to 4 GB in length for duplicate string elimination.The following compression methods are currently defined: The format's open architecture allows additional future compression methods to be added to the standard. Compression and encryption of archive headers. ![]() 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.Large file support (up to approximately 16 exabytes).High compression ratios (depending on the compression method used).Open, modular architecture which allows any compression, conversion, or encryption method to be stacked.The 7z format provides the following main features:
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