RAR archive named for the MSI MS-7071 motherboard, but listed at only 76 bytes. A file that small cannot contain a schematic, boardview or BIOS image and is most likely empty, truncated or broken, so it should not be relied on. The name gives no revision or content details either. MS-7xxx is the numbering MSI uses for desktop mainboards. Look for another copy of documentation for this board, and as always match the PCB revision and back up the original flash before any reprogramming.
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.