Perfect Data Solutions OST to PST - OST to PST conversion software convert emails from MS Exchange OST to Outlook PST file. OST Recovery tool also convert OST data to PST, EML, MSG, HTML, MHTML, MBOX, RTF, TXT, MS outlook profile, DOC, PDF. OST to PST conversion tool 100% helpful to convert ost to pst emails with all email properties (to, from, cc, bcc, subject, exact date & time) and all ost mailboxes folder information (Inbox, Outbox, Deleted Items, Sent Items, Journals, Tasks entries, Notes, Appointments & User created folders).