Which version of mac os x do you have?
Which version of photoshop are you using?
Do you get any message when you try to open the files into photoshop?
Did you use Nikon Transfer to get the files from your camera to computer?
Did you try the File>Get Photos From Camera in Adobe Bridge?
Thank you so much for helping me R_Kelly:)
I was able to open them with Bridge, I never thought of that.
I have the Version 10.8.5 OSX and using Photoshop CS6. I never used Nikon transfer before, is it what you recommend doing?
No, if Bridge works for downloading, then no need to use nikon transfer.
I just asked about nikon transfer, because older versions of nikon transfer can corrupt the files in such a way that adobe camera raw won't open them.