I just updated to the latest version of Thunderbird on Windows 11 (64 Bit) The updated version had no Folder Pane on the LHS, after a lot of adjustment I managed to get the pane back but it contains Folders I don't recognise and some of them contain emails dated around 10 years ago. No matter what I do I can't get back my original folders list and their contents. The program is now useless because when I download new emails the don't show up anywhere! Please help! Regards Des McCoy (Replies to this email address are OK because I cam access new messages on Iphone.