RAR archive of 1.33 MB for the MSI MS-7613 motherboard at version 1.1. The name does not reveal whether a schematic, a boardview or other service data is inside, so open the package and check each file. Such documents are used for tracing power rails, finding the VRM controller and its drivers, and checking for shorts on the CPU or memory supply lines with a multimeter. MSI marks boards with MS-codes and a version number on the PCB; make sure it reads 1.1 before trusting component references 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 @cyberlanelectonik. 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.