Many experts suggest using the Advik Outlook PST Converter for moving emails from Outlook to Thunderbird. This tool is great for solving any issues you might have during the migration process. It lets you to import Outlook to Thunderbird account quickly. Plus, it comes with lots of advanced features to make the conversion process easy. It's designed for all kinds of users and works with all versions of Windows. With this tool, you can import Outlook mail to Thunderbird with just a few clicks.