OST converter software is the best utility to convert OST to PST file without any intervention. You can prominently export OST to PST file data by OST to PST conversion tool along with all mailbox items. Then you can easily access mailbox items such as inbox, outbox, sent items, deleted items, drafts, notes, contacts, appointments and calendars as well as email metadata- to, cc, bcc, from, subject, date and time.