rar file to extract, drag the first file into the window, followed by the others in their sequential order. rar file you need to extract and drag it into the open UnRarEx window. Once the program downloads, drag it to your Mac applications folder before opening it. Locate UnRarEx on the developer’s website and follow the included installation instructions. Downloading and installing it works much the same as for The Unarchiver, except you’ll need to run the utility manually each time. UnRarEx is another free third-party program that can extract and open. rar file, this utility on your Mac will extract the files automatically. After it installs, launch The Unarchiver and check the box marked “RAR Archive” before saving this change. Once you’ve downloaded the zipped installation files for The Unarchiver, right-click and select “Extract” to start its installation process. The first is called The Unarchiver, and it’s available at no cost from You can also locate and download this particular program from the Mac App Store. Several different free software programs can be used to open. zip file from Safari, the native Mac browser can be set automatically. zip file, but the difference is that you’ll need a third-party software program to open a. rar file is one that has been compressed to a smaller size to allow for easier transfer via website downloads or email.