The extra pages may be created as a result of having 'odd-page' Section breaks and/or 'even-page' Section breaks in the document. Changing the Section breaks to 'next-page' would resolve the issue. If that's not the cause, we'd need to see the actual document to resolve the issue. You can attach a document to a post (delete anything sensitive) via the paperclip symbol on the 'Go Advanced' tab at the bottom of this screen.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]