If you are seeking a solution to convert EML file to PST then using an expert tool is a great option. One tool that I would suggest is GainTools EML to PST Converter. It helps you to export multiple EML files to PST without losing attachments. With this tool, you can convert all email properties like to, cc, bcc, subject and other details without changing their formatting. It has a basic user interface that doesn’t require any prior technical experience. Also, you can use this utility on all major Windows editions.
Visit here: https://www.gaintools.com/eml/pst/