An archive of repair files for HP hardware (board DA0P9MB16D0). Shared as “HP Stream 14-AX050SA (da0p9mb16d0 Rev. D) (1).rar” — a .rar file, 3.86 MB.
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.