Photoshop File not valid

asked Dec 12, 2013 in Graphic Design by Karen (630 points)
Hi there

I am working on a .psd file image for sometime now.  When I tried to open it again, I got a message saying that the process cannot be completed and it’s not a valid Photoshop file. I tried opening the file in a different computer and I got the same thing. How can I open my file?
Any help is appreciated
Thank you

2 Answers

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answered Dec 12, 2013 by SmartHost (9,060 points)
Maybe it was not saved for backwards compatibility.   Depending on the type of CS you are using.  CS5 psd can open in CS6 However CS6 PSD doesn’t always open in CS5 if  the reverse comparability option was not checked at the time of saving
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answered Dec 12, 2013 by TopNet (10,360 points)
Check if your thumbnail in is Photoshop icon. If not try to change the extension to.psd