pour infos:

ArcSoft RAW Thumbnail Viewer™ is a free plug-in for Windows that allows you to preview your RAW photos when browsing through your files.
In the “Thumbnails” view of Windows Explorer, RAW files appear as generic icons. With ArcSoft RAW Thumbnail Viewer™, you can now see a thumbnail version of your picture! No more endless searching, just easily locate the photo you want to edit or print. Double-click to launch your favorite photo editor!



ArcSoft RAW Thumbnail Viewer