After importing the file, click Contacts from Mac Outlook. Navigate to the PST file selection and click the Import button. Open Outlook for Mac and click File > Import. This manual method to export PST contacts to CSV file format. If you have Outlook installed on a Mac machine, you can try PST file is easily import in Outlook at anytime using Import/Export option. It stores complete information of Outlook such as contacts, calendar, notes, emails, tasks, etc.