On Sat, 9 Apr 2005 20:43:03 -0700, "pj"
wrote:

what is the keyboard shortcut to subscript or superscript a letter

Ctrl and the = key for subscript.
Ctrl and the + key (that is, Ctrl and Shift and =) for superscript.

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Regards,
Jay Freedman
Microsoft Word MVP FAQ: http://word.mvps.org