The well-suited way to convert EML files into PST format is to use an email migration tool that is specially made for converting EML files into PST format. A tool with some advanced features will convert it better than the manual method. I tried ToolsGround EML to PST Converter, which allows me to convert multiple files at a time, which saves me a lot of time and manual effort. It provides quick and accurate results while preserving every email detail authentically. This tool is installable on every version of the Windows operating system and has a basic interface that can be operated easily by anyone. I suggest you try this tool and make your conversion process seamless with it.
For more information: https://www.toolsground.com/eml-to-pst-converter/