Why aren't you footnotes already superscripted? If you are using
InsertReferenceFootnote the default fomat is already set to superscript.

Anyway, EditReplaceMoreUse Wildcards.

Type "[0-9]" without the "" in the find what field
Type ^& in the Replace with fiel
Click FormatFontSuperscript
Replace All

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Greg Maxey/Word MVP
A Peer in Peer to Peer Support

Jann wrote:
Is there any way to set superscript for numbers only? I
am working with a lenghly document. Right now, I have to
reset supercript for every single footnote number and
that is so time-consuming with hundreds of footnotes.
Thank you.