How to export and import your PST file to Microsoft Outlook:
1. Locate the PST file on your old computer, the pst files are usually location under My Documents -> Outlook Files.
2. Alternatively, on your old computer, open up Microsoft Outlook, go to "File" -> "Account Settings" -> "Data Files" -> Select the pst file you wish to copy and click "Open File Location".
3. Close your Microsoft Outlook and copy the pst file into an external device, after which transfer this pst file to your new computer.
4. Open Microsoft Outlook on your new computer, go to "File" -> "Account Settings"
5. Click on "Data File"
6. Click "Add"
7. Select the pst file from your computer and click "Ok"
