Best OST File Opener - Version 3.3 Best OST File Opener Tool to perform quick scanning of OST file containing folders and fruitfully displays its email messages, attachments, contacts, notes, calendar items, etc. Offline Storage files do not open in MS Outlook, so that conversion (OST to PST) is necessary for user. This free to avail software can be downloaded online. This is a genuine tool for those who do not get access to Exchange OST Opener Software but want to view email and its properties right away. And this software easily converts OST file to PST file with entire email components like (Emails, Contacts, Calendars, Notes, Tasks, Journals and more information of OST files) with their original file formatting. The Demo Version of this software gives facility to check process and ability free of cost for users then purchase full version. After evolution of this software user want to purchase full version then pay only $99. More info visits-: http://www.ostviewer.com/