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1. Re: CS5 requires file extensions to open files?
Chris Cox Jun 28, 2010 10:19 AM (in response to The Real Thorzdad)If the file type and extension don't match, there could be problems. Photoshop goes with the file type first (as specified by MacOS guidelines).
If the file has no type, and no extension - then Photoshop has nothing to go on. Preview does a "best guess".
(yes, Photoshop needs better guessing code, but it's not as easy as it sounds)
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2. Re: CS5 requires file extensions to open files?
The Real Thorzdad Jun 28, 2010 10:45 AM (in response to Chris Cox)Ah. That makes perfect sense. Thanks.
I did a little experiment and took a jpeg created via Preview and a jpeg created in CS5, and removed the file extensions from both files. Interestingly, CS5 could not open the Preview file. It could, of course, open the CS5-created file, even without the extension.


