I sync my device with outlook, and I have a business outlook account
with all my contacts.

When I used Windows Messenger and Yahoo, it seems like my personal IM
accounts contacts have been added automatically to outlook for me.

I want to avoid that. Any tips/registry entries?

There are no such options in Outlook.
Also, Windows Messenger doesn't add its contacts to Outlook.
Check in a Yahoo Messenger newsgroup for the behavior of Yahoo Messenger and
how (if needed) to change it.

--
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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"Hommie" <(E-Mail Removed)> wrote in message
news:d5d40bc8-32c4-4516-8071-(E-Mail Removed)...
> I sync my device with outlook, and I have a business outlook account
> with all my contacts.
>
> When I used Windows Messenger and Yahoo, it seems like my personal IM
> accounts contacts have been added automatically to outlook for me.
>
> I want to avoid that. Any tips/registry entries?