Nah, I mostly work with RAW files and save them out as TIFs (and sometimes also JPGs) but in the case that I do work with JPGs from the beginning it’s usually just for minor edits and I’m not going to bother converting to PSD.
He’s in for some upgrading then, since Apple is the “largest company” now. 
Send 'em back to him and tell him to fix them!
Play the old-man-doesn’t-understand-technology-like-you-younger-guys-do card. Especially effective around Fathers Day!
You can’t beat XNView. I haven’t found anything I need to do that it can’t do. And it’s free