A boardview (component placement) file. Shared as “CPS7_17019846_FZ_SKR_A8V2_1_A8_A.tar” — a .tar file, 3.89 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 @led_software. Enginerys does not host this file.