Encrypt your files by using a phrase, a digital certify or both two. SecureZip supports ZIP, CAB, TAR, RAR, LZH, ARJ, HQX, JAR, and more.
SecureZip offers you an useful wizard which will guide those novice users to compress/decompress the files with no problem. In fact if you want to create a compressed file you'll only have to drag&drop the files you want to SecureZip interface.
Finally, if you want something more, SecureZip also offers you some statistics about your compressed files.