Import Your Plesk mail backup Into Outlook.
- Open Outlook, and click File in the menu
- Select Open & Export, and choose Import/Export option. This opens the Import/Export wizard.
- Choose Import from another program or file, and click Next
- Select Outlook Data File (.pst), and click Next
- Select the folder to import: located in documents\\Outlook Files\\backup.pst
- Select Do not import duplicates or any option you prefer, and click Next
- Enter the optional password you created, and click OK, and click Next
- Select the folder to import from, and select the folder to import into, and select Finish. This completes your import.