For your first question, see if the following article helps:
http://www.slipstick.com/contacts/oloabcat.htm

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Jocelyn Fiorello
MVP - Outlook
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> If I create additional Contact folders (not subfolders), what are the pros
> and cons of that ? Any limitations ?
[quoted text clipped - 3 lines]
> Outlook no longer can find my contacts. Anyway around that ? All my contacts
> folders are enabled as email address books.
Kent - 14 Jun 2005 15:25 GMT
Thank so much. That is exactly what I was looking for. I knew it had to be
out there.
> For your first question, see if the following article helps:
> http://www.slipstick.com/contacts/oloabcat.htm
[quoted text clipped - 6 lines]
> > Outlook no longer can find my contacts. Anyway around that ? All my contacts
> > folders are enabled as email address books.