Use Microsoft OST to PST Converter because this tool is developed according to the modern day requirements. This OST to PST Free tool have all the features that can fulfil all your requirement for the data conversion. This OST Converter to PST tool have features like it can support MS Outlook version, Window version. All the users are compatible to convert their data into several file formats such as PST, EML, MSG, EMLX, vCal, vCard, MBOX. Apart from its support Office365 & live Exchange Server.