Try the CubexSoft EML to PST Converter that supports all the EML based email clients like Dream Mail, Windows Mail, Outlook Express, etc. It also supports all the Windows OS editions like Win 7, 8, 10, 11, Vista, etc. and also the Mac OS versions such as Big Sur, Mojave, High Sierra, Monterey, etc. It has a simple GUI interface and standalone ability to simply convert EML file into PST format with all the attachments. For adding the EML files during the process, you can utilize the dual options like Select File(s) or Select Folder(s). The trial version allows the users to convert first 25 EML files per folder for free. Need to import thousands of EML files for an urgent presentation, directly go with licensed edition of the utility.