The eSoftTools OST to PST Converter tool is perfect for you if you want to fix the error Outlook data file cannot be configured. In this tool, you can easily export OST files to PST and many other formats like EMLX, EML, Office 365, ICS, VCF, MSG, Gmail, Yahoo, Zimbra, MBOX, and HTML. After the conversion, users can divide big PST files into small size of PST files. Users can also use the bulk file conversion option and email filtering option after purchasing the software. Before purchasing, you can try the free demo version of this tool for your understanding and satisfaction from the official website of eSoftTools.