7-Zip 15.05 Alpha / 9.38 Beta / 9.20 Final

7-Zip Free Latest

7-Zip 15.05 Alpha / 9.38 Beta / 9.20 Final is an open source file archiver with the high compression ratio predominantly for the Microsoft Windows operating system. It operates either as a command line program or with a graphical user interface. It also features integration with the Windows shell environment. 7-Zip is free software, developed by Igor Pavlov and distributed under the GNU LGPL license. For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip.
• High compression ratio in new 7z format with LZMA compression
• Strong AES-256 encryption in 7z and ZIP formats
• Self-extracting capability for 7z format
• Integration with Windows Shell
• Powerful File Manager
• Powerful command line version
• Plugin for FAR Manager
• Localizations for 74 languages
• Supported formats:
– Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
– Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS

* 7-Zip now uses new installer.
* 7-Zip now can create 7z, xz and zip archives with 1536 MB dictionary for LZMA/LZMA2.
* 7-Zip File Manager now can operate with alternate file streams at NTFS volumes via “File / Alternate Streams” menu command.
* 7-Zip now can extract .zipx (WinZip) archives that use xz compression.
* new optional “section size” parameter for BCJ2 filter for compression ratio improving. Example: -mf=BCJ2:d9M, if largest executable section in files is smaller than 9 MB.
* Speed optimizations for BCJ2 filter and SHA-1 and SHA-256 calculation.
* Console version now uses stderr stream for error messages.
* Console version now shows names of processed files only in progress line by default.
* new -bb[0-3] switch to set output log level. -bb1 shows names of processed files in log.
* new -bs[o|e|p][0|1|2] switch to set stream for output messages; o: output, e: error, p: progress line; 0: disable, 1: stdout, 2: stderr.
* new -bt switch to show execution time statistics.
* new -myx[0-9] switch to set level of file analysis.
* new -mmtf- switch to set single thread mode for filters.
* fixed: 7-Zip didn’t restore NTFS permissions for folders during extracting from WIM archives.
* fixed: The command line version: if the command “rn” (Rename) was called with more than one pair of paths, 7-Zip used only first rename pair.
* fixed: 7-Zip crashed for ZIP/LZMA/AES/AES-NI.
* fixed: 7-Zip created incorrect ZIP archives, if ZipCrypto encryption was used.
* fixed: 7-Zip 9.20 can extract such incorrect ZIP archives.
* Some bugs were fixed.

OS: Windows All

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» Download 7-Zip 15.05 Alpha 32-bit
» Download 7-Zip 15.05 Alpha 64-bit

» Download 7-Zip 9.38 Beta 32-bit
» Download 7-Zip 9.38 Beta 64-bit

» Download 7-Zip 9.20 Final 32-bit
» Download 7-Zip 9.20 Final 64-bit

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This post was recently updated on March 4, 2016