It can also extract program archives like Microsoft Cabinet, Windows Installer files and application files. The zipping program can also unzip archives with the endings. 7-Zip also allows users to zip and unzip files in the following file formats:ħ-Zip uses a powerful proprietary encryption algorithm to compress files, sacrificing compression speed for compression quality. It is purely a container format with a modular and open structure. The WinRAR alternative creates zip archives in the proprietary 7-Zip format, indicated by the file ending. In 2007, the program won SourceForge’s award as best open source project.
7-Zip is freeware for zipping and unzipping files and has been around since 1999.
