Microsoft Outlook OST to PST Utility - Version 3.6 New Microsoft Outlook OST to PST Utility that is one of the best rated software to repair corrupted OST file database & convert Outlook OST file to PST but why a person need MS OST to PST Converter Tool? Well, may be the following things happen: Exchange database has corrupt due to virus attack, User email account has been deleted from the Exchange Server, OST file fails to re-synchronize with Exchange Server, Error occur while switching the Exchange Server from old to new etc. The mentioned circumstances gesture that the OST file is not more with Exchange Server and now it cannot be reusable in the Exchange environment. The safe, secure way to convert Outlook OST files to PST is using a third party Microsoft OST to PST Utility. User can rely on this OST converter as it do not leak any information and it convert OST to PST file without any change in the OST data and taking much time. Microsoft Outlook OST Recovery tool supports all versions of Exchange Server .OST file (2013 to 5.0) and MS Outlook .PST file (2013 to 95). Convert OST to PST software compatible with all versions of Windows