Repair material for the MSI MS-7176 desktop board, stored as a 3.79 MB RAR archive. Its name gives no description of the contents, so open it with an archive utility to identify the files. MSI's MS-7 series numbering is used for its desktop motherboards and is marked on the PCB near the slots or edge. Compare that marking and the revision before using anything inside, and if a firmware image is included, dump and save the current chip contents before writing to it.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @IT_SERVICE_WORLD. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.