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 Remove Duplicate Messages by Salvatore Randazzo
Rated 5 out of 5 stars
Perfect. But out of date, need the updated version for last Thunderbird version (now 60.4.0). I feel lost without it.
This user has a previous review of this add-on.To create your own collections, you must have a Mozilla Add-ons account.