Program icon of the file archiver 7-Zip.
Igor Pavlov, <a href="//commons.wikimedia.org/wiki/User:Acagastya" title="User:Acagastya">user:acagastya</a>
<a href="//commons.wikimedia.org/wiki/File:7-Zip_Icon.png" title="File:7-Zip Icon.png">File:7-Zip Icon.png</a>