A boardview (component placement) file (board DA0PAHMB8I0). Shared as “QUANTA 0PAH DA0PAHMB8I0.rar” — a .rar file, 395 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 @BoardSchematic. 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.