Maggie- If you want to take a look at the Rich Text Format specification, it can be downloaded from the Microsoft site. If you don't mind inserting the dreaded backslashes and braces in your bio. text, here are a few control words you might want to try. (Someone else already pointed out that superscripts can be done in UFT on the old message board.)sub Subscripts text and shrinks point size according to font information.
osupersub Turns off superscripting or subscripting. super Superscripts text and shrinks point size according to font information.