If you are looking for converting OST file to PST format, then Recoveryfix OST to PST Converter Tool convert single or multiple Outlook OST files with its complete data, including Emails, Attachments, Calendars, Tasks, Notes, Contacts, Distribution lists, etc., to Outlook PST. It convert your entire OST mailbox to multiple messaging formats, including PST, DBX, MSG, EML, TXT, RTF, HTML, MHTML, DOC, & PDF.