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.
CloseReview for Remove Duplicate Messages by Firefox user c62635
Rated 2 out of 5 stars
THIS VERSION DOES NOT WORK WITH THUNDERBIR V137.0B1 CAN ANYBODY HELP ME? THANKS
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