Win7z is a powerful 7z compression application that provides support for archives such as ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR. The 7z format has a high compression ratio, so it helps save disk space.
