<i>duplicate of [/questions/1555996] thread</i> Just purchased and set up Thunderbird on new Samsung Galaxy S25 phone. Message inbox works but Sent, trash, and no other message box displays. How to correct and set up. Also how do you sync android Thunderbird phone app. w computer Thunderbird program. When I delete an inbox message on phone it is not deleted on computer Thunderbird program and vice versa . Computer is new build running Windows 11. Thanks for assistance. Techs at Verizon were unable to help.