For achieving reliable and accurate results for converting EML files into PST I would like to suggest EML to PST converter software from Shoviv that can easily export your EML files into PST format without any loss of data. The tool also allows splitting large PST files into multiple smaller PST files. It supports all versions of Windows and Outlook and provides a free trial that converts the first 50 items for each folder.
Read more: https://www.shoviv.com/blog/how-to-convert-emails-from-eml-to-pst-file-for-outlook/