The most likely reason is that your merge source document has a paragraph
mark that creates a blank page. Check that the merge source document is of
only one page. If necessary format that last paragraph mark as 1 point or
perhaps hidden to eliminate it from the second unwanted page.

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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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> When i do a mail merge it adds a blank page after every
> page in my document! Why?
> Im using Word 2003.