Saving whats outside of the cropped area - Photoshop

So I foolishly cropped a PSD and hit ctrl + s out of sheer habbit, to top this photoshop crashed on me shortly afterwards.

Is there anyway to change photoshops functionality so that in future when I crop an image whats left outside of the cropped area will still be there but not in view? (:

Change canvas size (Ctrl + Alt + C)
Select all layers, and drag the correct part into the viewport.
Job's a goodun.

This just makes the canvas bigger though. What I'm trying to achieve is when you crop an area whats left outside of that cropped area will not be deleted, just hidden from view.

Change the values to be smaller?

Same thing happens? Or am I missing something. xD

You're missing something.

The content is still in the document (not cropped out). Just out of sight.

I'll have to have another play around with it. Cause I got no ****ing idea. When cropping the same thing keeps happening.

save it as another document, there is no way to get back what was already cropped except of course through history. this is the way I do it and it saved me a lot of trouble along the line.

your question is somehow confusing