Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseDeveloper reply by Itagaki Fumihiko
Rated 5 out of 5 stars
Waiting for support of the latest ThunderBird v139. I'm ready to donate after release
Thunderbird v139 has the ability to manually sort folders by dragging them in the folder pane.
To create your own collections, you must have a Mozilla Add-ons account.
