That can recognize the files and put a proper icon for that file, such as .zip a zipper, a Photoshop file a blue sheet ...
It would be great if OneDrive recognized the formats many PCs will recognize and showed a preview thumbnail like how it does for jpegs or pngs.
* Photoshop .PSD
* Paint.NET .PDN
* RAW Camera Images .RAW, .CR2, etc