Benvingut a complements de Thunderbird.
Add extra features and styles to make Thunderbird your own.
TancaComentari del Header Tools Improved per doclucas
Rated 5 out of 5 stars
Michel, indeed it took a while, but it was worth it!
Thank you so much for bringing this amazing add-on to TB 78+! Great job!
Per crear les vostres pròpies col·leccions, heu de tenir un compte al Mozilla Add-ons.