FAQ-Wiki-Outlook

How to make a new PST file the default file in Outlook?

Answer:

You should:

1. Open Start | Settings | Control Panel | Mail
2. Use the Delivery tab to select the corresponding PST file in the Deliver new mail to the following location: combo box and confirm moving the service folders (if necessary).

Thus, the new .pst file will be the file used in Outlook by default.