http://blogs.msdn.com/b/officedevdocs/archive/2011/02/23/how-to-log-on-to-a-specific-profile-in-outlook-2010.aspxYou can use the Outlook object model to log on to a custom MAPI profile or the default profile. When you first start Outlook on a computer, if you would like to programmatically log on to a custom profile (that is different from the default profile),en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)