Re: full-fat PS just as confusing
It depends. If I've done a lot of work on something, I'll save it in GIMP's XCF format, which is lossless and retains edit history. I may even save it as a new XCF, to ease reverting changes. However, if I've just cropped a photo or enhanced the saturation to slap it up on the web, saving only to a new JPEG file is good enough.
Actually, I suppose that is exporting, since I never overwrite the original.