A boardview (component placement) file (board DA0NL5MBAE0). Shared as “DA0NL5MBAE0 REV_E(NL5-N17P) (BDV)(BRD).rar” — a .rar file, 1.10 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 @alischematics. 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.
7-ZipWinRARThe Unarchiver (macOS)