The tool at the top of my Thunderbird email button doesn't have an option 'open module '. I have an add-on downloaded from Mozilla, how do I add to Thunderbird

Maybe there's another tool button somewhere, but the only one I can find is when I write a new message. I have 4 options under the tool button; mail and newsgroups, address book, account settings and options. No where in these 4 find 'open module. I downloaded an add-on of highlighter recommended for Mozilla's Thunderbird, (highlighter by André Rodier 0.6.5) but I can't understand not just how to get it in Thunderbird! Thanks for your help.

You challenge do not use the Menu bar in a window of writing.

You must learn the shortcut of Windows to show hidden menu bars.
Alt or F10 displays hidden menu bars.

In the Bar Menu of MAIN WINDOW, select Tools-Add-ons
Click the gear icon and select install module file

The other option is to use the AppMenu. It's 3 horizontal lines. There is a choice of add-on in this menu.

Tags: Thunderbird

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