MSI MS-7119 archive in RAR format, 1.15 MB in size. The name provides no revision, firmware version or description of the contents, so inspect the files after extraction. Small packages like this often carry a BIOS image or a single schematic PDF useful for checking rails and signal paths. MSI's MS-7xxx numbering marks its desktop motherboards. Compare the PCB code and revision before use, and back up the existing chip before programming any image.
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.
7-ZipWinRARThe Unarchiver (macOS)