Service archive for the MSI MS-7095 motherboard, stored as RAR at 1.21 MB. No revision, firmware version or content description is included in the name, so it is uncertain what documentation it contains. Typical packages of this kind hold a schematic for tracing power and signal paths, a boardview for locating parts, or a BIOS image for SPI reprogramming. MS-7xxx is MSI's desktop numbering; verify the PCB revision matches and keep a backup of the original BIOS before writing any dump.
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.