If you want to convert EML files to PST format, there's no need to use any professional EML to PST Converter software. You can do it manually by using few easy steps. Windows Live Mail EML has an export feature that can help you export the email messages from Windows Live Mail to Outlook. You can easily do that without requiring any prior technical skills.
For more information, you can read this blog post:- http://migrateemails.com/2016/02/22/how-to-import-eml-to-outlook/