eSoftTools OST to PST Converter is the most incredible solution for exporting and extracting offline OST data into PST format by using this OST to PST Converter Tool. It quickly converts OST to PST file format for exporting and saving OST files to Outlook PST. The tool is compatible with all recent versions of Microsoft Outlook, including Outlook 2016, 2013, 2010, 2007, and 2003. It is compatible with all versions of Windows. This has a user interface that is easy to use.