Windows will open RAR files, but to convert files to RAR format, you can make use of WinRAR or these free online tools. We show you how!

How to Combine RAR Files in WinRAR. The RAR format optionally splits large files into several compressed parts. This multi-part format makes distributing large business files to or from customers ...

How to Extract a RAR Computer File. While downloading software applications for your business, you may encounter files that you cannot open. Some software developers and publishers use the RAR ...

Apple's macOS can handle zipping and unzipping compressed files right out of the box, but you'll need a third-party app if you're dealing with rar files.