See the article "Mail Merge to E-mail with Attachments" at
http://word.mvps.org/FAQs/MailMerge/MergeWithAttachments.htm

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Hope this helps,
Doug Robbins - Word MVP
>I recently sent an email containing an attachment using mail merge to a
>list
> of students whose data I had in an Access database. The message sent and
> merged without a problem but when they recieved the message there was no
> attachment. Help! Accurately using this feature will save me a lot of
> time.