EF Find is a powerful search program for Windows. Look for files, text, HEX sequences and regular expressions inside 7-Zip, ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, IMG, ISO (ISO9660), LHA, RAR, RPM, SFX, SQX, TAR, TBZ, TGZ, ZIP and ZOO archives. Multilingual. Shareware, FREE Updates.

EF Duplicate Files Manager could find out duplicate files with same name, same size, same content on specify paths. Handle optional like folders the 7-Zip, ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, IMG, ISO (ISO9660), LHA, RAR, PRM, SFX, SQX, TAR, TGZ, ZIP and ZOO archives. Multilingual. Shareware, FREE Updates.

KLS Backup 2008 Professional is a powerful backup, synchronization and disk cleaner program that allows you to back up or synchronize your data to local and network drives, CD/DVD media or FTP server. The cleanup feature is a complete solution to backup and clean private data and free up disk space. The backup files can be stored uncompressed or compressed in standard Zip, 7-Zip or SQX format.

Handles archives of most formats: Zip, 7Zip, Ace, Arc, Arj, Bin, Bz2, Bzip2, Cab, Cpio, Deb, Gca, Gzip, Hqx, Ice, Jar, Lha, Lzh, Ntx, Pak, Pk3, Rar, Rpm, Sqx, Tar, Taz, Tbz2, Tgz, Wad, War, Wba, Wmz, Wsz, Zoo, and more. Some of the features include extract, add, delete, self-extract (sfx), unsfx, convert, batch add, batch extract, merge, run, install, checkout, view, test, virus scan, repair. Has a build-in viewer that works with most formats.