The file is a segment of a split RAR archive, likely containing version 1.008 of the game PC Building Simulator 2 (PCBS2). Since this is only "part 2," it cannot be opened on its own; you must have all associated parts (e.g., part 1, part 3, etc.) in the same folder to successfully extract the contents.
This feature would act as a pre-check script or built-in function in a launcher to handle the common headaches associated with multi-part game archives. sc23219-PCBS2v1008.part2.rar
Automatically scans your folder and alerts you if "part 1" or "part 3" is missing before you attempt to open the file. The file is a segment of a split