What is 7-Zip?
7-zip is a compression and extraction software similar to WinZIP and WinRAR, that can read from and write to .7z archive files (although it can open other compressed archives such as .zip and .rar, among others, even including limited access to the contents of .msi, or Microsoft Installer files, and .exe files, or executable files). First developed in 1999, 7-zip was later awarded the 2007 SourceForge community awards under the categories Technical Design and Best Project; it is a free program under the auspices of the GNU Lesser General Public License or LGPL. 7-zip has enjoyed tremendous popularity among other compression software because it is totally free, and while WinZIP and WinRAR both have free trial editions 7-zip is one of the leading compression software in the market that is totally free.
The .7z format is exclusive to 7-zip, and though it is able to pack and unpack archives in .7z files, it is also able to open similar file formats. Reviewers also praised 7-zip’s high rate of compression compared to commercially available software, although there were instances that the options and 7-zip’s additional tools are way too over the head of the average consumer; the default settings, they note, work perfectly fine.
File types supported by 7-Zip
Our users primarily use 7-Zip to open these file types:
Some users also use 7-Zip to open these file types:
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