UltimateZip supports 16 Archivetypes, e.g. Ace, Arj, Cab, Lha,Rar, Tar, GZip, Zip and so on. It has many features like Zip and Mail,shell integration, full drag and drop support, selfextracting Zip archives, multi-disk spanning, CheckOut, Install, Ziprepair and Favorites. Also allows you to encrypt archives and files, using the AES standard (Rijndael). UltimateZip includes a Wizard interface for easy compressing, updating, extracting, and decoding, Favorite Archive Folders, Build-in text viewer, Virusscanner integration (external program needed), Archive converter. New in 2.7.1 Ace v2,Rar 3.x and BZip2 support, speed improvements, Windows XP Theme support and many more.