The best way to export Thunderbird emails with attachments is by using a reliable tool like Advik Thunderbird Converter . This powerful software makes the entire process simple and secure by allowing you to export all your Thunderbird emails along with their original attachments, metadata, and folder structure intact. With just a few clicks, you can convert your Thunderbird mailbox to popular formats like PST, EML, MBOX, PDF, or even migrate directly to other email services. This tool is designed to handle large mailboxes effortlessly and ensures that no data is lost or altered during the export. It’s the perfect solution for anyone who wants a hassle-free way to back up, migrate, or access their Thunderbird emails with attachments anywhere, anytime.