The version is 6.13, PerfectCompress, all-In-One Compression Suite. PerfectCompress is able to compress files to ZIP, 7z, PAQ, ZPAQ, RZM, as of version 5.0, to Flashzip, Rings, Hook, PACKET, BZP and as of Version 6.0 to a lot more formats. The software also features a format that is a combination of PAQ and 7z which I call UCA...