OK... I found a workaround.Recreate one of your sub-folders via Thunderbird "Inbox" and it will appear in the Yahoo Web Mail interface sidebar under "Folders". Then you can move the "INBOX/..." folder to "Inbox". I removed the "INBOX/" so the folder ...
I have an extensive folder structure and running into the same issue (I am using IMAP).I can see my Thunderbird "Folder" file structure via Yahoo Mail web interface (In the sidebar listed as "Folders") but the file folder structure does not show up i...