Heyas everyone!
This isn’t a perfect fix, but it may save you a few hours or days… or even just a little bit of hair that you don’t yank from your skull.
I just had this happen to me using OSX Mountain Lion (CS3) doing a 1GB poster for a local high school. About 40 layers at the point where I quit and came back to it… only to find it “not compatible.” Oy.
I tried resaving, tried it on a different machine, tried swapping the suffix to psb format (Photoshop Large Format) thinking that maybe it was borderline ‘too big’ for a psd. Zip. Nada.
So, I tried to open it with simple Preview. (For you windows folks, that’s just the default image viewer for Mac – I’m not sure what it is in Windows land, but it’s nothing special.)
It did open, and despite the fact that my layers were gone… I DID have a high quality image file of the poster. It’s not perfect, and I’ll have to be creative in putting things back together… but it’s also not a ‘do it all over’ scenario.
Procedure: Open the file with Preview, export it (this is just “save as”) to a new name, and then reopen in Photoshop.
And then… repent for not running your Time Machine, or backing up your file. (I’m repenting now.)
Cheers!
Troy
troy@pathogenink.com
https://www.pathogenink.com