When you need to convert Thunderbird emails to Outlook PST format then you can use MailsDaddy Thunderbird to Outlook Converter tool. The application tool is based on simple GUI interface that helps of each level of user to convert and open Thunderbird data to Outlook PST format. You can install the solution on Windows OS and easily open emails to Outlook after conversion. The software has various other conversion options like EML, MSG, HTML, MHTML and RTF file format. The free edition of the software moves up to 20 emails from each folder.