You can't, but Word 2002/3 will allow you to propogate any changes at the
click of a button. With earlier versions, make the change in the *second*
label, copy the label to the clipboard, Select all the cells and paste to
fill all the cells in one operation with the clipboard content, then remove
the {NEXT} field from the first label.

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Graham Mayor - Word MVP
Web site www.gmayor.com
Word MVP web site www.mvps.org/word
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> Once I have the merge fields selected in a label, how can
> I add or delete a merge field without having to do it on
> every label?
>
> Thanks-
> Sarah