Open OST to PST - Version 5.5 OST file is offline storage table or file of Microsoft Outlook which is used to store user's crucial documents such as emails, contact information, daily tasks and schedule, calendars etc. When unforeseen disaster happens on Microsoft Exchange Server like downtime of Exchange server, Exchange server crashes, Exchange Server database corruption issue then, many issues get encountered such as inaccessibility of OST file. In this situation, users can use PCVITA OST Converter software to make orphaned or unusable OST file practicable and usable. This software solution can easily open OST to PST file format and make them accessible to users. This software proficiently recovers and open OST file into PST file format along with OST other components. Users can take a glimpse of software functionality and reliability with its FREE demo feature. Visit to get more details here - http://www.pcvita.com/open-ost-to-pst.html