OST Data to PST Data Conversion Tool - Version 3.3 OST Data to PST Data Conversion Tool: OST Data is creates under Microsoft Exchange Server 2010(32 bit), 2007, 2003, 2000, 5.5 and 5.0 and it is not open in Outlook. When network is disconnect then Exchange Server is Offline this time email is store as OST Data. If you want to open OST data then use OST Data to PST Data Conversion Tool because OST file cannot open into Outlook. You unable to open OST file but it is very important, use OST to PST Converter Software to able to use OST file and open into PST file because this software convert OST data to PST, EML and MSG data to easily open in MS Outlook. This software convert OST to PST, Move OST Exchange data into PST from unlimited OST files, Convert OST to Outlook PST when OST file password protected, convert Outlook OST files emails into PST even if the emails has been deleted from DELETED ITEMS of OST file etc. Export OST Data to PST Data tool supports Windows 95, 98, ME, 2000, XP, 2003, Vista, 2007 Operating System. If you want restore important email then purchase full version of this software at only $99 because Demo