A boardview (component placement) file for MSI hardware (board MS-17C6, MS-16P6, MS-16P1). Shared as “16P6(1.0).zip” — a .zip file, 865 KB.
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 @smschematics. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.