How to Zip a Folder With WinRAR. Although all businesses must be efficient to be profitable, the need for effective time management is especially felt in small businesses, where often only one or ...

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.