Your Mac's built-in Zip file utility can create ZIP files. You can simply unzip a split RAR file with the user interface or from the context menu. filename.zip, filename.z01, filename.z02, and so on.
Starting with WinZip Mac Edition 2.0 you're able to open and unzip split RAR files, e.g. Once WinZip for Mac is installed, you may double click on the RAR file icon to open it with WinZip. WinZip for Mac is designed to open and extract from the widest range of file formats, including RAR, 7Z, BZ2, TAR, ZIPX, ZIP, GZ, WAR, JAR, and so on.
