By using ZOOK EML to MBOX Converter tool, you can efficiently migrate EML files to Thunderbird format. It is capable to migrate any size of EML files of Windows Live Mail, Windows Mail, Thunderbird, Outlook Express and many other email clients. The software comes with wide range features and user-friendly interface, which makes it suitable tool to migrate EML files to Thunderbird or any MBOX files supported email clients. For more info- https://www.zooksoftware.com/eml-to-mbox/
