: You only need to right-click the first part (Part 1) and select "Extract Here". The software automatically detects and merges the subsequent parts. II. Creating Your Own Split Archives

: Files are typically named filename.part1.rar , filename.part2.rar , etc..

If you need to generate a similar sequence from a large paper or dataset: Need to open, create, or convert a RAR file? - WinZip