If you want to convert your EML files into Outlook PST format for free, I would suggest you read this blog, which contains two manual methods for file conversion users can use as per their requirements. It gives information about every detail of the conversion process. It is easy to understand, so that makes it an easy task for all users to convert files. After following the steps outlined in this blog, users can easily convert their file formats without facing any issues.
To learn more, visit here:
https://www.datarepairtools.com/blog/free-methods-to-convert-EML-to-PST-File/