Massive Extender 1.2.1 No Restart
Extends the Mozilla Add-on Collector allowing to install multiple add-ons with a single click. NOTE: This addon is no longer in development. It is still here for the convenience of existing users. Do not download unless you know what you are doing!!!
This add-on has been preliminarily reviewed by Mozilla. Learn more
This add-on is not compatible with your version of Thunderbird because of the following: