This is because generally meta data isn't included in Studio Products at Rendo.

If you float your mouse over the thumbnails it will tell you what type of file it is.  Also if you open the info panel it will tell you the file type when you select an item.

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I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.
-Galileo