Do you perhaps have a virus scanner installed that integrates with Outlook?
Disable this integration and try again.
See
http://www.msoutlook.info/question/20
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
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"Cris" <(E-Mail Removed)> wrote in message
news:6C87588B-73E6-47D0-AD09-(E-Mail Removed)...
> When I perform a mail merge in Word 2007, Word correctly identifies 600
> email
> recipients - no duplicates, no validation errors. Upon sending, only 420
> emails are actually sent. Count is based on emails in Outlook 2007 sent
> folder. Word does not return any error messages, and the count in the
> 'Preview Results' section of the ribbon remains at 600. I can scroll
> thru
> all 600.
>
> I cannot determine why some are not sent. It seems random - the same
> recipients are not skipped from one time to the next. If I try a smaller
> list of 100 or so, about 1/3 are not sent. Only when I get down to less
> than
> 30 does it send them all.
>
> What am I missing?
>
> (Windows XP, in case that's a clue)
>
> Thanks in advance.
> Cris