Rated 5 out of 5 stars

yazan: Mezba tarih: Eki. 22, 2019 ·

Its working fine for me.
After install this add-ons, restart Thunderbird. > Press Alt > you will see Menu Bar on top > click on Tools and there you fine the "Manually sort folders"

This review is for a previous version of the add-on (2.0.2).