If you've ever encountered, to put it nicely, a complete utter [censored], who types in all caps for a presentation it's maddening having to retype the whole thing. Turns out there's a function in Word (and WordPerfect) so you don't have to! Just go to Format | Change Case.

SOURCE: http://www.public.iastate.edu/~madushag/Tips/all_caps_reformatting.html