Ensure every volume of the set (part1, part2, part3, etc.) is in the same directory on your computer.
The .part3 segment indicates this is the third piece of a larger set. To successfully extract the contents, you must have all other parts (e.g., part1.rar , part2.rar ) in the same folder.
Created using archiver software like WinRAR or 7-Zip , this format reduces total file size to save storage space.