Exporting Thunderbird to Outlook 2007 is not an easy task first Outlook does not support EML files and second it takes much time to do Conversion from Thunderbird to Outlook. So for Exporting Thunderbird to Outlook 2007 use EML to PST Converter software. This program will easily complete the task of Exporting Thunderbird Mail to Outlook 2007 and it will do it very quickly.