Logo of the <a href="https://en.wikipedia.org/wiki/File_archiver" class="extiw" title="en:File archiver">file archiver</a> <a href="https://en.wikipedia.org/wiki/7-Zip" class="extiw" title="en:7-Zip">7-Zip</a>.
Robert Martinez
LGPL
<span class="url"><a rel="nofollow" class="external text" href="http://www.7-zip.org/logos.html">7-zip.org/logos.html</a></span>, converted to PNG by <a href="//commons.wikimedia.org/wiki/User:Patrick87" title="User:Patrick87">Patrick87</a>