You mean you have duplicates? You can use a duplicate remover for that.
For some duplicate remover tools see
http://www.howto-outlook.com/faq/duplicates.htm
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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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"kstanzel" <(E-Mail Removed)> wrote in message
news:0E0DE25F-5E30-456E-B904-(E-Mail Removed)...
> Using shared folders and combining archive files in Outlook 2003 we keep
> storing multiple copies of identical messages. Is there an easy, automated
> way to delete them ?