RAR package of 2.58 MB for the MSI MS-7197 desktop board. Nothing in the name indicates what it contains, so open it to see whether there are schematics, boardview data or firmware images. Such repair material is used to follow voltage rails, identify parts and locate measurement points. The MS-7197 code is part of MSI's own board numbering and appears on the PCB with a revision; match both, and back up the existing BIOS flash before programming anything taken from this archive.
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.