To convert EML files to PST format for MS Outlook on Windows, you can utilize the eSoftTools EML to Outlook PST Converter software. This tool provides multiple functions and enables you to import multiple file data from one location to another in a single process. Users can organize their data in their preferred order, and the tool is compatible with all versions of Outlook on Windows operating systems. Additionally, the tool automatically imports files with all their details from EML to Outlook 2010.