OST file serves the best medium to let users access Exchange mailbox data in an offline mode. But in many scenarios this OST file becomes inaccessible due to several reasons. To make file accessible and view content in it, one needs to convert Outlook OST to PST file.Here is an information rich resource that will surely help you to solve ost pst conversion issues.So you have convert OST files into PST format then import it into Outlook by using OST to PST Converter which is an multi-featured application which can easily handled by any user and convert entire data items of OST files into PST format.Fully compatible with all versions of MS Outlook and Exchange Server for more information and free download click - http://www.softmagnat.com/ost-to-pst-converter.html