Outlook OST Convert to PST - Version 3.3 Outlook OST Convert to PST is an amazing conversion solution to convert OST to PST with the help of this software and convert emails messages of Microsoft Exchange Offline Storage files (.ost) to Outlook Personal Storage files (.pst) format. Some reason behind corruption of OST files such as accidentally System shutdown, upgrading old Exchange Server to new Exchange Server, database becomes damage, reconstruction of Exchange information stores, infected by virus and other. In OST files all information and duplicate copy of emails store on Exchange Server so it is beneficial for Outlook user because when Exchange Server becomes corrupt or crashed then restore emails from OST files. Outlook OST File to PST File tool successfully works on all Windows OS Versions like Win95, 98, ME, 2000, XP, 2003, Vista, Win2007 as well as support all versions of MS Outlook such as 97, 98, 2000, XP, 2003, 2007 and 2010. Demo Edition gives full satisfaction and preview recoverable OST data but you want to save recoverable data and convert OST file to PST file and save it for