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Add extra features and styles to make Thunderbird your own.Close
Allow HTML Temp 6.3.0
Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).
About this Add-on
The source code of the add-on is open source and is available at GitLab .
The translations available so far can be found on the CrowdIn platform.