Rated 5 out of 5 stars

This Add-On is a great help in the daily battle of sorting incoming eMails. The clean and easy-to-use TAB interface makes organizing eMails quite easy. I am using this Add-On for some time now and find it astonishing, that the author is consistently adding new features. He also does a great job at fixing bugs and adapting QuickFolders to new Thunderbird releases. So far I haven't experienced serious malfunctions.

This review is for a previous version of the add-on (3.9).