In Outlook, go to 'File' on the toolbar, and select 'Import and Export'.
A dialogue box will open, in which you should select 'Export to a file' and click next.
Now select 'Personal folder file (.pst)' and click next.
Select the folder marked 'Contacts'and click next.
Delete the file path that will appear automatically and click the 'Browse' button. Look for 'Desktop' right click on it and select 'New' and then 'Folder'. Name your folder anything you like, and then click OK.
Now click on 'Finish' and Outllok will make a copy of your contacts list in the folder you created.
Put a copy of this folder on a CD and use that in your new PC - open Outlook and go back to the 'Import and export' wizard, only this time select 'Import', and follow the prompts to navigate to your CD. Open the folder on the CD and import the file that will be called 'backup'.
Now you'll have all your contacts available in your new copy of Outlook.