When an end-user starts Outlook for the first time in a managed environment, he or she usually expects that Outlook is fully configured already and simply opens to the Inbox. Being a good administrator, you obviously want to create this experience for your users as well.
AutoDiscover in Exchange 2007 and later together with Auto Account Setup (or AutoConfigure) in Outlook 2007 and later alleviates some of this pain already by presenting the user with dialogs for which they only have to click Next and Finish or prompt them to supply commonly known information such as their email address and password. Outlook then figures out the technical configuration itself and has the user quickly up and running.
As this still requires end-user interaction, which could lead to confusion or errors, you can take this a step further by deploying Outlook mail profile settings. The Office installation offers various options for this.
Continue reading: Deploy Outlook mail profile settings via GPO or script