As a solution, I recommend using the eSoftTools Thunderbird to PST Converter Tool. This application will guide you through the process of converting Thunderbird files to PST format without losing any data. This is a reliable tool. You can download a free demo version to learn more about the software's features and how to use it. With ease, convert any large Thunderbird file to PST format.
For more info- Thunderbird to Outlook Converter
For more info- Thunderbird to Outlook Converter
