2024 Thunderbird Support Manual Download. Thunderbird will try to determine your account settings based on the domain portion of your email address (that is, the portion after the @ symbol). Simply download and install the latest version from the thunderbird website, and thunderbird will pick up your existing data.
As always, you’re encouraged to tell us what you think, or. Thunderbird desktop version 115.12.1esr | released june 19, 2024.