You can use the eSoftTools Tool to export Thunderbird emails to PST. It is a reliable option for exporting all Thunderbird emails to Outlook PST at once. It can convert Thunderbird files to PST format, including attachments, photos, hyperlinks, information, formatting, and more. It has a basic user interface that everyone can use. It offers an auto-detect feature that locates Thunderbird emails configured in Outlook 2019, 2013, 2010, 2007, and 2016. It comes with a free demo edition that allows you to convert up to 25 emails from Thunderbird to Outlook. As a result, you can assess its effectiveness.