Easy-to-use! Drag-n-Drop! It does not require special knowledge. Special functions (preset) for e-mail, RapidShare, CD, DVD, and others. Tested on 1,000,000 hamsters, none of whom were harmed! Supported formats: Packing/unpacking: ZIP, 7z, GZIP, BZIP2 and TAR; Unpacking: ARJ, CAB, CHM, CPIO, DEB, D.