When transferring all of your Microsoft Outlook data from one computer to another or from a local computer to a network you may find it necessary to migrate Outlook profile information. This is done in a similar fashion to exporting and importing database tables in two of mySQL database. As with the mySQL comparison your Microsoft Outlook PST file can be extremely large and because of this cannot easily be moved. Ultimately the best way to keep your emails and personal profile data safe is with a program to backup Outlook information. There are available special programs for Microsoft Outlook backup, PST repair and transfer that easily facilitate exporting or importing and reinstalling of all your data into the Microsoft Outlook application.