Exporting Thunderbird to Outlook is not easy, in fact it is quite a complicated task. If Exporting Thunderbird to Outlook is not done properly then there are chances of the EML files of Thunderbird getting lost or corrupted, that is why we recommend users EML to PST Converter software to for Exporting Thunderbird to Outlook. Using EML to PST Converter export the EML files form Thunderbird database to MS Outlook PST profile with all email properties. Import Thunderbird to Outlook 2007, 2005, 2003, 2000, etc with this program. You can also export EML files from Mac Mail, Apple Mail, Entourage, Windows 7 Mail, Windows Mail, Outlook Express, etc to Microsoft Outlook PST format.