Thunderbird Mail to Outlook - Version 4.0 Did you use Thunderbird mail program but now handle the Outlook mail client to convert mail from Thunderbird into Outlook in few easy steps. The Thunderbird mail to Outlook Conversion tool will help users to Thunderbird to Outlook and also convert all Thunderbird mail to Outlook with batch processing and also operates with entire version of Outlook such as - Outlook 2010, Outlook 2007, Outlook 2003, and Outlook 2000 to convert Thunderbird mail to Outlook. Get all benefits which convert Thunderbird Mail to Outlook with effective and less process.