Rated 5 out of 5 stars

le paddingtonbear ar Beal. 3, 2020 · buan-nasc

It does work. Download it. Then go to tools>add ons and type in "manually sort folders"
Restart Thunderbird.
Go to tools and in the list you will find >Manually sort folders
Click on it and you can sort the folders.
Then restart.

Thank you very much. Love it.