MSI MS-7085 archive in RAR format with a size of 3.52 MB. The file name names only the brand and board, leaving revision and content type unstated. Extract with WinRAR or 7-Zip to find out whether it holds a schematic, a boardview, a BIOS image or several of these. Board numbers in the MS-7xxx range are MSI desktop motherboards. Before diagnosing from the documents, compare the revision silkscreened on the board, and before any reflash keep a copy of the original firmware.
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.