WholeClear Thunderbird to PST Converter is a comprehensive solution with numerous features that enable users to transfer all their Thunderbird emails and attachments to the Outlook PST format. The program preserves the email formatting, folder structure, inline images, attachments, and other attributes in the newly created PST file. The app transfers numerous emails from Thunderbird to the PST format while maintaining their original content. Users can install this program on multiple versions of Windows and convert files without any problems.