Create separate Outlook profiles for each account.
http://support.microsoft.com/kb/829918/en-us
How to create a new e-mail profile in Outlook 2007 and in Outlook 2003
Hal

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Hal Hostetler, CPBE -- hhh@kvoa.com
Senior Engineer/MIS -- MS MVP-Print/Imaging -- WA7BGX
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> I just started a business, and I want to receive business e-mail in a
> different personal folder. I created a new personal folder and gave it my co.
> name. When I select that folder, all of my mail goes to that folder, private
> and business. How can I have my private e-mail account be received in one
> folder and business received in the other automatically?