Run the versatile OST to PST free converter utility if you are unaware about OST to PST Conversion process. It is supports huge data and removes all corruption occurred in Outlook OST database, demo exports 1st 25 items. OST to PST Outlook 2010 Free Converter tool is perfect to convert OST to PST, MSG and EML formats in few instances. All Windows version & MS Outlook (2013, 2010, 2007, 2000 etc) are attuned with standalone OST to PST converter.