To open RAR files, you can use WinRAR, which is the software made by the company that invented RAR technology. To open .001 files, you need another program, such as HJSplit, 7-Zip or File Joiner.

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 ...

However, rar files are a little more complicated and require specialized programs in order to open them up and extract their contents.

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!