PDS best OST to PST Utility helps you to Export Outlook OST to PST, EML, MSG & HTML format. With the help of OST to PST Converter Utility you can easily recover outlook OST file & convert Outlook OST File to PST with full attachments- Inbox, Outbox, Sent Items, Deleted Items, Draft, Journals, Tasks, Calendars, Notes, & Contacts in just few minutes. This software split large PST file into Small PST File (1 to 5 GB).