: You cannot open "part08" individually. You must open "part01" with a program like WinRAR or 7-Zip, which will automatically pull data from all parts to reconstruct the full file.
Based on the "MHDR" tag, this file is most likely part of a . RC44MHDR-PL4954.part08.rar
: This is a unique release ID or internal tracking code used by the group that uploaded the file. : You cannot open "part08" individually