Outlook Data Files (.pst) are stored in an outlook file folder located in the Documents folder on your computer.Ī Personal Storage Table (.pst) is an open licensed file format used to archive copies of Microsoft software files, calendar events, and other products such as Microsoft Exchange Server and Microsoft Outlook, Windows Messaging. The relevant data files are generated instantly when you launch Outlook for the first time. pst file a personal storage folder on your computer. are stored automatically by Microsoft outlook in two locations, one of which is it is stored as a. Messages, contact information, appointments, tasks, notes, etc. Four Methods to backup Outlook PST files explain in detail various ways of exporting PST files and how to export PST file data to some other platforms. Sometimes for several factors, we might need to export PST file data to several other important platforms. MS Outlook PST file is crucial for accessing Outlook emails.