7-Zip can archive and unpack files on your 64-bit OS. 7-Zip has a high compression ratio in new 7z format with LZMA compression.
Supported formats Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR; Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS. For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 better than ratio provided by PKZip and WinZip. Self-extracting capability for 7z format. Integration with Windows Shell. File Manager, and command line version.
All files are scanned routinely for viruses. You can also report any file whether it may contain virus or missing by using our conact email: firstname.lastname@example.org