I have a file that was emailed to me. We believe that it's an image, but we're not sure... the file had no extension. I've tried adding a .jpg, .tif, .psd, .eps and .bmp extension, and nothing's working.
When I look at the file properties, it just says that it's a "file".
Does anyone have any idea how I could find out the correct extension?
Thanks a lot.