To export from Thunderbird, install the desktop version of Thunderbird Daily and then export from the settings.

URL: https://www.thunderbird.net/en-US/thunderbird/all/

Hi, I have downloaded the android version of Thunderbird on my phone and went to the import section. In the guide it says that I have to click "Export to mobile" on my computer in the Thunderbird settings , but I can not find such field to click. My TB version on my computer is : 128.3.3esr Hope you can help me. Very best regds Kim

To export from Thunderbird, install the desktop version of Thunderbird Daily and then export from the settings.

URL: https://www.thunderbird.net/en-US/thunderbird/all/

Export is under Tools. I don't think it has ever been under Settings.

See https://support.mozilla.org/en-US/kb/thunderbird-android-import

Thunderbird - hamburger (three lines up right) - Tools - Export for Mobile