PDS Outlook OST Open Software smoothly extract data from OST File and Convert outlook OST to PST with full attachments- Inbox, sent mail, deleted mail, outbox, draft, tasks, notes, appointment, contacts, calendars, journals in just few seconds. By taking help of this software you can open OST File in outlook file in safely manner. It brilliantly split large PST File into Small PST File from 1 to 5 GB. This software works on OST version up to 2013