7Z
7Z — 7-Zip Archive
document7Z is a high-compression open-source archive format created by Igor Pavlov and the 7-Zip project. It offers some of the best compression ratios available for any general-purpose archive format, supports strong AES-256 encryption, and handles files up to 16 exabytes in size. It is widely used for software distribution and personal archiving.
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✓Common use cases
- ›Maximum compression of software installers and releases
- ›Encrypted archives with AES-256 for sensitive data
- ›Large file archiving where size matters
- ›Game and application distribution on Windows
- ›Long-term archiving of important data
★Advantages
- ›Best-in-class compression ratio for general files
- ›Strong AES-256 encryption with password protection
- ›Open format — multiple implementations available
- ›Solid archive mode for many small files
- ›Free and open-source (LGPL)
⚙Technical details
LZMA/LZMA2 compression (same as XZ); supports DEFLATE, BZip2, PPMd, BCJ filters; AES-256 encryption; solid compression mode (compresses similar files together); max archive size 16 EB; open standard (documented format).
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