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.
CloseReview for Manually sort folders by kaz101
Rated 4 out of 5 stars
Works fine for me on 31.3.0. I found this since folder panes addon no longer works.
Thanks for the addon - I still don't understand why this doesn't come as standard in Thunderbird.
To create your own collections, you must have a Mozilla Add-ons account.