Default Thunderbird

by accord

19 Add-ons in this Collection

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 956 reviews

289,963 users

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 332 reviews

94,276 users

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Confirm-Address by Meatian, urakami, others

Rated 5 out of 5 stars 44 reviews

52,568 users

Confirm E-mail address before sending mail

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Tag Toolbar by H.Ogi

Rated 4 out of 5 stars 53 reviews

16,729 users

Add toolbar for toggling tags.

Folderpane Tools by chuonthis, Philip Chee

Rated 4 out of 5 stars 123 reviews

29,817 users

Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.

Auto Address Cleaner by markopee

Rated 4 out of 5 stars 51 reviews

17,605 users

Removes comment, display name automatically from addresses before sending mail.

Address Close Button by 46emak

Rated 5 out of 5 stars 25 reviews

14,746 users

Adds a Address Close Button to mail compose window.

Quote Colors by Malte Ruecker

Rated 4 out of 5 stars 46 reviews

13,148 users

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 238 reviews

26,293 users

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Nostalgy by Alain Frisch

Rated 5 out of 5 stars 150 reviews

9,266 users

Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.

Auto Zip Attachments by Tomer Rotstein

Rated 4 out of 5 stars 73 reviews

1,860 users

Auto Zip Attachments allows you to easily compress (zip) attachments.

QuoteCollapse by Michael J Gruber

Rated 4 out of 5 stars 26 reviews

9,059 users

Collapse and expand quotes. Please see the extension homepage for...

Keyword Highlight by genta

Rated 4 out of 5 stars 20 reviews

4,139 users

Keywordhighlight changes color/size/weight of your favorite keywords...

MinimizeToTray by Mook, Brad Peterson

Rated 4 out of 5 stars 466 reviews

8,339 users

Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...
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