: To extract the full video, you must have all numbered parts (part1, part2, part3, etc.) in the same folder. If you are missing part 4, you generally need to re-download that specific file from the original source where you found the others.
If you are trying to fix a "missing volume" error while extracting: Chappie.m1080p.part4.rar
: If there are files with a .par2 extension in the same directory, open the first one with a tool like QuickPar . It can often "fill in" the data for a missing or corrupt .rar part. : To extract the full video, you must