If you want to transfer Thunderbird emails to PDF format, you can try the WholeClear Thunderbird to PDF Converter. This software is compatible with all Windows versions, both old and new and It also runs smoothly without any problem. So you can convert data without any issues. The software is specifically designed to seamlessly convert Thunderbird emails to PDF, ensuring a simple and quick conversion process. It comes with various advanced features that make the conversion process easy and quick. You can try the free demo version to explore its features and functions.