It is presumably a space following a missing title field. The simplest way
to eliminate unwanted spaces is to forget the address block and insert the
required separate fields -
http://www.gmayor.com/mail_merge_labels_with_word_xp.htm

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Graham Mayor - Word MVP
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Word MVP web site http://word.mvps.org
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> The mail merge envelope address block puts a space before the name on
> the first line. Why does this happen, and how do I eliminate this in
> all the envelopes? I'm using Microsoft Office Word 2003 (version 11,
> I think).