Hard to say as you didn't include any specific configuration details.
Version of Outlook?
Type of mail account?
Do you mean different mail profiles or different user accounts?

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Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
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Real World Questions, Real World Answers

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"DaveM" wrote in message
...
Forgive me if the answer to this has already been posted somewhere but
I cannot seem to find it.
I need some help trying to organise contacts on a 2 user PC using
outlook. Here is the situation:
On a Vista PC there are two different users which need to use the same
contacts. The tricky thing is that each user has a different identity
in outlook i.e. user 1 = personal, user 2 = work. User 2 wants to have
the same contacts as user 1.
Is this possible without having to manually export and import csv
files between the two user profiles?

Thanks in advance for any help :0)