Dict:7z

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7z

7z
Developer Игорь Павлов
Official website 7-Zip
Long name (none)
Magic word 7z 0xBC 0xAF 0x27 0x1C
File extension .7z
File extension
(if multivolumed)
.7z.001, .7z.002, ...
First published 2001/08/30
Last updated 2016/05/10
Algorithms LZMA, PPMd, BZip2, Deflate, LZMH
Supported features
Archiving yes
Solid archive yes
Multimedia optimization no
Encryption password
Encryption algorithm AES-256
Multivolume yes
Recovery Record no
Comment no
Wikipedia(en,ja)

7z is the de-facto successor of UFA and BIX.

Features

  • Archive header compression/encryption.
  • Filters(preprocessors for executables).
    BCJ/BCJ2 
    For 32-bit x86 executables.
    ARM  
    For ARM executables.
    ARMT  
    For ARM Thumb executables.
    IA64  
    For IA-64 executables.
    PPC  
    For PowerPC executables.
    SPARC  
    For SPARC executables.

Methods

Name Description
Copy Stored.
LZMA Compressed by LZMA algorithm.
LZMA2 Compressed by LZMA2 algorithm.
PPMd Compressed by PPMd algorithm.
BZip2 Compressed by BZip2 algorithm.
PPMd Compressed by PPMd algorithm.
LZMH Compressed by LZMH(LZ77+Huffman) algorithm (not published yet).

Links