In this video tutorial, viewers learn how to open ISO files, using Winrar. An ISO file is in an "image" of an entire CD or DVD. It contains all the contents of the disk. Begin by opening Winrar. Go to Options and select Settings. Go to the Integration tab and check ISO. Now Winrar will be able to associate with ISO file. Press OK. Users just need to right-click the file and select extract. It is the same as a ISO extractor program. This video will benefit those viewers who have Winrar and would like to extract ISO files without having to download ISO extracting programs.