With the help of Thunderbird to Outlook Converter one can easily carry out Thunderbird email file backup in Outlook. The software is supportable on all Windows operating system including new Windows editions i.e. Windows 11. The utility saves unlimited Thunderbird files to Outlook in just one time processing. The tool keeps mail properties of Thunderbird files i.e. header, hyperlinks, email address, time stamps, etc. intact. The demo edition of Thunderbird to Outlook Converter is available to help users. You can backup upto 20 Thunderbird files to PST free of cost.