RAR archive of 6.10 MB for the MSI MS-7411 mainboard. The name has no revision, version or file-type information, so extract it to see what it holds. MSI's MS-7xxx designation marks boards developed by MSI itself, and the code is printed on the board for easy matching. Diagrams of this kind help with locating components, following the power-on sequence and checking signal paths. If a BIOS image is inside, make a full backup of the original flash before programming the new one.
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.