Although WinRAR will take longer to compress your files, the resulting ZIP file will be smaller.

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 ...

We'll also look at how to open one to see its contents, and how to convert the files inside to a different format, or convert the ZIP itself to another archive format like TAR.GZ or RAR.

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!

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.

The main difference between rar and zip files is that the former has a higher compression ratio, allowing a smaller file size to be created.