I recommend using eSoftTools EML to PST Converter Software to import multiple EML files into Outlook. The software offers additional features for conversion and can handle batch conversions. It is compatible with all editions of Outlook in the Windows operating system. To ensure user satisfaction, the software provides a free demo edition that allows users to view specific file data along with its full information. This tool effectively converts EML files to PST format, allowing users to convert an unlimited number of files. Link - https://www.esofttools.com/eml-to-pst-converter.html Read More -https://www.esofttools.com/howto/batch-convert-eml-to-pst.html