|Firstly go to "Control Panel > Folder Options > View". On the list un-tick 'Hide extensions for known file types'. For security and other reasons it is best left that way.|
Check one of your .dat files again and see if the file extension remains the same.
Copy one .dat file off the flash drive onto your desktop. Assuming it still only shows a .dat extension then change it to .jpg instead. Double click it and let us know if it opens, or what exactly happens.
Always pop back and let us know the outcome - thanks
message edited by Derek