Follow the pattern shown here:
http://www.word.mvps.org/faqs/tblsfldsfms/InsEvnPgEndChap.htm
Note, though, that if you just want different header/footer formatting on
odd and even pages you can set up "Different odd and even" page layout.
--
Margaret Aldis - Microsoft Word MVP

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> How do I use field codes to determine if the current page
> number is odd or even?
>
> Thanks, Troy
{IF{=mod({Page},2)}=1"Odd""Even"}