Pradip Chowdhury
This is a zip file which is freeware and works very well in comparison to paid software.
Free, open-source file archiver, fully supports ZIP files, opens 7z, zip, rar, arj and many more. The main features of 7-Zip: High compression ratio in new 7z format with LZMA compression.
Supported formats: Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR; Unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.
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. Powerful File Manager. Powerful command line version.