Identify *exactly* what the mergefield produces when it contains no data,
then trap this with a conditional field eg
{IF {Mergefield fieldname} <> "the data it produces" "{Mergefield
fieldname}"}

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Graham Mayor - Word MVP
My web site www.gmayor.com
Word MVP web site http://word.mvps.org
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> Is there any way to avoid default date/time from
> appearing in a mail-merge when the dat field is formated
> for a date but has no data.