Start with a backup of both files. Then you can drag & drop your
folders/items from 1 pst-file to the other.
If you have the same items stored in both pst-files, you'll need a
duplicates remover.
Some are listed here;
http://www.howto-outlook.com/faq/duplicates.htm
--
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
-----
"Raas" <(E-Mail Removed)> wrote in message
news:1B4346D7-CFF3-4D88-9E97-(E-Mail Removed)...
> I want to merge two datafiles into one. Of course, both are .pst files
> and
> on the same computer.
>
> How do I do this without creating duplicates or deleting any e-mails from
> the files?
>
> Thanks.
>
>