MSI MS-7056 motherboard files, delivered as a 2.96 MB RAR archive. The name does not state a revision or what is inside, so extract it with 7-Zip or WinRAR before deciding how to use it. MSI marks its desktop boards with MS-7xxx codes on the PCB, and different revisions under one code can differ in layout. A schematic supports tracing rails, locating shorts and checking power sequencing; a BIOS image needs an SPI or LPC programmer and a saved copy of the original chip.
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.