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.

If you chose "Shell Integration" when installing WinRAR, right-click the first RAR file and select "Extract Here." Doing so quickly extracts files to the same folder containing the RAR parts.

You can open RAR files on your Mac computer with free apps like The Unarchiver. RAR is a compressed file format – similar to ZIP – that can hold many files in one place, and is especially ...

Occasionally, you'll need to open several compressed files from one ZIP folder. While Windows does a fine job extracting, there are better tools to unzip.

How to unzip a file using RAR If you've been using a computer for a while, you probably remember installing WinRAR on every operating system between Windows 95 and Windows 10.

To unzip a file on your computer or phone, you can use tools that come pre-installed on the device. In some cases, using a third-party app might help.

Using WinRAR as an example, open the compressed file in the app, click the Extract to button, and choose the location where you want to save the uncompressed files.