If you need to open a file with the rar extension on your Mac, there's a handy app called The Unarchiver that can help you do just that. Rar files are commonly used to extract a huge amount of data — ...

What is a RAR file? RAR is a proprietary file format for compressing files. It’s been around since the mid-1990s and was developed by a Russian engineer called Eugene Roshal. That’s why RAR stands for ...