CubexSoft Thunderbird Export
Demo Edition
Demo edition of CubexSoft Thunderbird Export Software enables to convert 20 items (emails/ contacts/ calendars) of Thunderbird Mailboxes to supported mail formats. With free demo, you can clear all your doubts about how it works and know about its complete working process.
CubexSoft Official WebSite - https://www.cubexsoft.com/thunderbird/