Yes, to import MSG files into Thunderbird? You generally need third-party software, as Thunderbird does not support MSG files natively. MSOutlookHelp MSG Converter Tool is a popular option. This software allows you to convert MSG files into Thunderbird-compatible formats like EML or MBOX. It ensures the conversion of emails along with their attachments and formatting intact. Additionally, it offers a bulk conversion feature, making it easier to transfer multiple files at once. Using this tool, you don't need Microsoft Outlook installed, making the process more straightforward and efficient.