Try Yota Thunderbird Backup Tool if you want a reliable and efficient way to backup Thunderbird emails. This tool is specially designed to create a complete backup of your Thunderbird mailbox, including emails, attachments, and folders. It supports exporting data into multiple formats such as PST, PDF, MBOX, EML, and HTML, making it easier to access your emails across various platforms. Whether you are switching email clients or simply want to keep a safe copy of your data, this software makes the process quick and hassle-free.