How to open a RAR file on your Mac computer, for downloading or sharing a large number of files

You can open RAR files on your Mac computer to share or download a large amount of files. Here's how to open RAR on a Mac with The Unarchiver.
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How to open a file with a different program on your Mac

When you double-click a file on your Mac, the operating system will automatically open the file using the program assigned to that type of file. It is possible, though, to open the file using another ...