One of the best ways to convert thunderbird emails to yahoo mail is eSoftTools Thunderbird converter software.The software easily converts Thunderbird emails to yahoo emails in just a few seconds or minutes. The software also comes with a free trial version. A free demo version of the software converts up to 25 emails from each thunderbird email to yahoo mail and other convertible formats like HTML, PST, NSF, MSG, Gmail and yahoo mail. The software supports all versions of windows operating systems like Windows 7, Windows 8, Windows 8.1 and Windows 10.the software graphic and user interface very simple.
Read more:- Convert Thunderbird emails to Yahoo Mail
