If this is for a game, could you tell me the ? If you're trying to install software, letting me know the full application name can help me guide you to the proper files.
It is impossible to provide the "full story" based solely on the filename, as it is likely a pirated, modded, or unauthorized game/software archive from a file-sharing site.
To get the "full story" or use this file, you must have parts (e.g., part01 through part[x]) in the same folder and use a program like WinRAR to extract them together.
"MSPR2GB" likely refers to a specific project (e.g., "Max Payne 2 GB", "MS Project 2GB", or a custom fan-made project).
