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 Toolbar Buttons by Firefox user 13135c
Rated 1 out of 5 stars
THis has been a great add on but not working in Thunbderbird 60.3.1
To create your own collections, you must have a Mozilla Add-ons account.