Excellent solution provided by Steve here. The following provides every step with a screen shot to help you in a much better way. I hope you will find it useful:
Import Outlook items from an Outlook Data File (.pst)
When you want to migrate Outlook messages, contacts, calendar items, tasks, and notes from one computer to another or restore a backup of your Outlook data, the Import and Export Wizard is the easiest way to complete the task.
- Click the File tab.
- Click Open.
- Click Import.
- In the Import and Export Wizard, click Import from another program or file, and the click Next.
- Click Outlook Data File...