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convert bulk EML files to PST format with attachments I would recommend you to use
EmailsGuru EML to PST Converter. It is specifically developed to convert EML files to PST format including emails, contacts, calendars, notes, tasks and all others items. It is completely professional way to import emails from EML into Outlook PST format. This tool kept intact all data integrity and email formatting throughout the migration process. It is capable to import EML files of 30+ email clients including Windows Live Mail, Outlook Express, Mozilla Thunderbird and many others. Users can smoothly install and run this utility on Windows 11, 10, 8.1, 8, 7, XP, Vista and all below versions. It offers a free trial version to new users without interruption.