Top-Rated Extensions

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Patch to Alert Invalid Addresses Requires Restart

Shows alert if there is any invalid address in sending message.

Rated 1 out of 5 stars (1)
80 users

3e Calendar Requires Restart

Adds support for 3e calendars

Rated 1 out of 5 stars (1)
433 users

Extensão para Controle de Eventos Requires Restart

Esta extensão para Thunderbird tem como objetivo facilitar a inserção de novos eventos vinculados a um e-mail.

Rated 1 out of 5 stars (1)
12 users

Flex Confirm Mail Requires Restart

Confirm mail address and attachments based on flexible rules.

Rated 1 out of 5 stars (1)
8,901 users

Locale2MUI Requires Restart

Sets Firefox/Thunderbird Locale to Windows (MUI) Language on startup

Rated 1 out of 5 stars (1)
331 users

Mailopen Requires Restart

Open an email file from the commandline

Rated 1 out of 5 stars (1)
21 users

Lowercase Email Addresses in Message Headers Requires Restart

Shows lowercase email addresses in message headers and their tooltips.

Rated 1 out of 5 stars (1)
54 users

Large Fonts Requires Restart

This add-on enables you to change the font size of the plain text editor of Thunderbird.

Rated 1 out of 5 stars (1)
540 users

Dialectic Dialer Requires Restart

Dial phone numbers with Dialectic (Dialectic is for OS X only). In addition, when a page loads, phone numbers can optionally be highlighted and hyperlinked to dial Dialectic.

Rated 1 out of 5 stars (1)
36 users

ToggleFullHeaders Requires Restart

Allows you to customise the message panel buttons to add a "Toggle Headers" button that will switch between showing and hiding the full headers.

Rated 1 out of 5 stars (1)
85 users

Mukparasi Requires Restart

A Korean popup dictionary based on Rikaichan
Requires the additional dictionary addon.

Rated 1 out of 5 stars (1)
22 users

Disable about:config Requires Restart

Disable about:config feature of Firefox and Thunderbird.

Rated 1 out of 5 stars (1)
686 users

DirSwitcher Requires Restart

Change direction in compose...

Not yet rated
2 users

Move Search Items Requires Restart

Move the message search items to the...

Not yet rated
19 users

Address book synchronizer between Memotoo.com and Thunderbird Requires Restart

Synchronize your address book between Mozilla Thunderbird and Memotoo.com !...

Not yet rated
1 user

KbdMover Requires Restart

Adds the ability to move mail from the keyboard with keystroke saving features similar to partial-completion-mode in Emacs...

Not yet rated
4 users

mailconsole Requires Restart

This extension helps you to manage thunderbird mails using console commands like: dir, select, move, copy, delete, mark. The names and the syntax has been taken from the OpenVMS mail...

Not yet rated
2 users

DOM Inspector Linux Requires Restart

Inspect the DOM of HTML, XUL, and XML pages, including the browser...

Not yet rated
0 users

Orb VideoMail Requires Restart

Toolbar button for creating videomails OF ANY LENGTH right from within Thunderbird. This is videomail freed from attachments!

Not yet rated
3 users

Conversation Meta Language Requires Restart

Email Conversation using XML...

Not yet rated
1 user