Article updated 5 December 2020 at 4 h 09 me

7-zip – Data Compression Software

 
7-zip is an open source data compression software to compress your folders and files so that they use less space on your hard drive.
You can use 7-zip on any computer, including commercial companies.
There is no need to register or pay to use 7-zip.

The main features of 7-zip:
Very high compression ratio of the format 7z with compression LZMA and LZMA2
formats supported:
Compression and decompression: 7z, XZ, BZIP2, GZIP, TAR, ZIP et WIM
only decompression: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR et Z.
For formats ZIP and GZIP, 7-zip provided a compression ratio which is 2-10 % better than the rate of PKZip and WinZip
Strong encryption AES-256 for formats 7z and ZIP
Self-extracting capability with format 7z
Integration with Windows
Powerful file manager
Online version of powerful command
Plugin for manager FAR
translated into 87 languages
7-Zip works under windows 10 / 8 / 7 / Vista / XP / 2012 / 2008 / 2003 / 2000 / NT.
There is a command line version for Linux/Unix : p7zip

The compression ratio
We have compared 7-zip WinRAR 5.20.
The results of the compression ratio depend much of the data used for testing.
Habitually 7-zip tablets 30-70% better in format 7z that in format zip. And 7-Zip tablets 2-10% better in format zip que les autres logiciels d'archivage compatibles avec le format zip.

Download 7-Zip 19.00 (21/2/2019) for Windows:

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Download 7-Zip 20.00 alpha (6/2/2020) for Windows:

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8 November 2020

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