7-Zip Alpha

7-Zip Alpha 9.34

7-Zip is a file archiver with one of the highest compression ratios.

Freeware
Windows (all)
1.1 MB
17,584
80
(22 votes)
Download options:

Alternatively you can download the latest stable version of this software.

Features:

  • Highest compression ratio in new 7z format with LZMA compression
  • 7-Zip is free software distributed under the GNU LGPL
  • Supported formats: 7z, ZIP, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB
  • For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
  • Self-extracting capability for 7z format
  • Integration with Windows Shell
  • Powerful File Manager
  • Powerful command line version
  • Plugin for FAR Manager
  • Localizations for 47 languages

What's New:

  • 7-Zip now can create multivolume SFX archives in 7z format.
  • ZIP, NSIS, HFS, AR support was improved.
  • 7-Zip now supports files larger than 4 GiB in ISO archives
  • Improved compression ratio in 7z format with maximum or ultra level for executable files (EXE and DLL) that are larger than 16 MB (improved BCJ2 filter).
  • Improved support for file pathnames longer than 260 characters.
  • CRC and SHA checksum calculation for files can be called via Explorer's context menu.
  • 7-Zip File Manager now also takes into account the numbers in filenames for sorting order.
  • 7-Zip File Manager can open files in "Parser" mode via "Open Archive > #" context menu command. It shows the list of archives inside file.
  • new -t# switch to open file in "Parser" mode and show the list of archives inside file.
  • new -stx{Type} switch to exclude archive type from using.
  • -scs switch now supports UTF-16 encoding.
  • 7-Zip could work incorrectly in decompression of more than one multi-volume archive in one command.
  • 7-Zip 9.24 alpha - 9.30 alpha versions could not extract ZIP archives encrypted with PKWARE-AES method.
  • New localization: Irish.
  • 7-Zip could not unpack some RAR archives
  • 7-Zip File Manager could work incorrectly for unpacking from solid archives, if archive was open in 7-Zip File Manager. Also 7- Zip File Manager could leave some unpacked files in TEMP folder of Windows.
  • So look your TEMP folder and remove folders that have "7z" prefix in name.