It's easy for Windows users to forget that WinZip isn't the only file-compression utility in the world, nor is WinRAR its only replacement. Like its better-known competitors, the free 7-Zip unpacks a host of archive formats, including ZIP, TAR, GZ, and its own 7Z format. Unlike the competition, though, it can create TAR and GZ archives, which are commonly used on Unix and Linux systems. Even though it's small, there's an even smaller portable version, too.
The program's ability to shrink files was stunning. 7Z archives tested up to 40 percent smaller then their ZIP … Read more