7-Zip is a file archiver with a high compression ratio. 7-Zip works in Windows 11 / 10 / 8 / 7 / Vista / XP / 2022 / 2019 / 2016 / 2012 / 2008 / 2003 / 2000.
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. And there is command line version for Linux and macOS. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license with GNU LGPL + unRAR restrictions. Check the license for details.

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License

GNU Library or Lesser General Public License version 2.0 (LGPLv2)

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User Ratings

★★★★★
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764
25
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27
ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5

User Reviews

  • "This is an outstanding application that fully satisfies all my requirements for working with archived files. Its performance is far superior to alternative solutions. My sincere gratitude to the development team.
  • We would have given 7-ZIP 5 stars, except that it sets the Windows archive bit even on archive files whose content hasn’t changed. This is a huge design flaw, in our opinion, and causes our daily Web site updates to transfer an extraneous 9 GB of unchanged files each year. We have requested multiple times that this be fixed.
    1 user found this review helpful.
  • First use and it has absolutely destroyed my 4tb nas hard drive @ a cost of £150. I'm livid!!!!!! Should have known better than to use free stuff like this no matter how well intentioned it is, nothing is for free and this just proves it. :-(
  • I downloaded 7za910.zip from this page and ran it against VirusTotal dot com and Bkav (1 of the 65 Major Anti Virus Checkers) found a malware: W32.eHeur.Malware09. Who knows, could be a False Positive. I downloaded 7z version 18 from Igor's official website and ran it against VirusTotal and I also unzipped it and ran all its containing exe's thru VT and it was clean. Otherwise I think 7zip is a great tool.
  • 7-zip was very highly recommended to me, so I downloaded it. When I went to install it, the first thing I saw was a message that the publisher is unverified and did I want to proceed? well, these days if there is any question about security, you don't want to install something that gives you a warning like that. So I deleted it. Too bad. My friend said it is a great product and he does not know why it is giving that warning message. Feedback would be app[reciated. Please let me know if this will change soon.
    4 users found this review helpful.
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Additional Project Details

Operating Systems

Windows

Languages

English

Intended Audience

Developers, End Users/Desktop, System Administrators

User Interface

Command-line, Win32 (MS Windows)

Programming Language

C, C++

Related Categories

C++ File Compression Software, C++ Backup Software, C++ Application Packaging Software, C++ File Archivers, C File Compression Software, C Backup Software, C Application Packaging Software, C File Archivers

Registered

2000-11-10