: This file cannot be opened or "extracted" on its own. You must have all other parts (e.g., part01.rar , part02.rar , etc.) in the same folder to successfully rebuild the original DVD1 image.
While the exact content depends on the source, this naming convention is commonly associated with: PS2009_DVD1.part03.rar
: Archives from "The Scene" or older file-sharing forums for large DVD images. Technical Report File Extension : .rar (Roshal Archive) Part Number : 03 : This file cannot be opened or "extracted" on its own