Appearance and Customization :: Add-ons for Thunderbird

Configure text and background colors of quotes in mail and news messages. From up addon version 3 (Thunderbird 91) you can collapse quotes.

Rated 5 out of 5 stars (15)

4,183 users

Removes the "Local Folders" entry from the folder pane.

Rated 4 out of 5 stars (46)

2,255 users

Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.

Rated 4 out of 5 stars (29)

3,414 users

Adds a Config Button, opens about:config in a dialog or a new tab.

Rated 5 out of 5 stars (3)

1,994 users

Add-ons