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Aug 3, 2025 · We recommend to use exe type installer instead of msi installer version. Download 7-Zip 23.01 (2023-06-20):

7z Format 7z is the new archive format, providing high compression ratio. The main features of 7z format: Open architecture High compression ratio Strong AES-256 encryption Ability of using …

Frequently Asked Questions (FAQ) User FAQ Developer FAQ User FAQ Can I use 7-Zip in a commercial organization? Yes, 7-Zip is free software. You can use it on any computer. You …

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Jun 20, 2023 · LZMA SDK (Software Development Kit) The LZMA SDK provides the documentation, samples, header files, libraries, and tools you need to develop applications …