Message Composition

Subscribe

SubSwitch

Simplify email categorization - it will be easier for you and others to manage mail. Define the set of prefixes for all emails you send or let SubSwitch to autodiscover it. While writing insert prefix to the title - choose one from your set.

Rated 3 out of 5 stars (10)
630 users

Synnefo for Filelink Requires Restart

Add Synnefo support to Thunderbird's Filelink feature.

Not yet rated
0 users

TarotSignature Requires Restart

This version provides a custom button for the message composer.
You need to customize your toolbar of the message composer.
The signature is hard-coded into the source code.
The signature is NOT being inserted automatically on window-open.

Not yet rated
0 users

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Rated 5 out of 5 stars (1)
6 users

Telefonkonferenz.de-Vorlagen

Durch das Plug-in werden unsere praktischen E-Mail-Vorlagen Ihrer Thunderbird-Symbolleiste hinzugefügt

Not yet rated
1 user

telegramwebapp

Adds browser action icon to toolbar to open Telegram. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/telegram-button/

Rated 3 out of 5 stars (2)
146 users

Text Insert/Text Blocks

Insert standard text blocks in an easy way in composer. No mouse: done by keyboard.

Type br<ctrl-d>, it converts to best regards. #c is cursor position.

Make a list of shortcut-replacements in the addon settings. Replacements may be multiline.

Not yet rated
69 users

Textmarker

Highlights selected text when composing emails. Default colour is yellow - other colours are available via Options.
(Works only during writing an e-mail, i.e. only in the compose window.)

Rated 5 out of 5 stars (20)
4,009 users

ThunderBird Ticker Requires Restart

Extension for creating support tickets based on mail.

Not yet rated
1 user

ThunderHTMLedit

Thunderbird HTML editor. This add-on adds a HTML tab to the composition window where you can see and edit the HTML source of the message.

Rated 5 out of 5 stars (29)
17,177 users

ThunderPEC Requires Restart

ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.

Rated 4 out of 5 stars (34)
1,678 users

To must occur only once

This add-on changes all but the first "to" to "cc" if there are multiple "to" when replying to an email.

Not yet rated
22 users

Toggle Address Box

Adds a Address Box button, toggles the Address Box in the Composer window

Not yet rated
12 users

Toggle Line Wrap

Toggle wrapping of long lines in the message composition window when writing plaintext messages. Wrapping can be controlled via a toolbar button and a keyboard shortcut.

Rated 5 out of 5 stars (5)
489 users

Toggle Word Wrap Requires Restart

Toggle word wrapping and <PRE> element wrapping in the message composition and HTML display windows, respectively. Based on original version by Kaspar Brand.

Rated 5 out of 5 stars (6)
105 users

Transfer Immunity

Transfer Immunity is a fast and secure add-on and SaaS service for sharing and transferring files. This high-fidelity, SaaS-based platform allows users to send large files to different destinations as attachments with emails.

Not yet rated
71 users

Transliterator

As-you-type phonetic conversion of text from one alphabet to another, as well as transliteration/detransliteration of selected text anywhere within documents. Supports multiple languages and custom transliteration schemes.

Rated 5 out of 5 stars (94)
39 users

Tulpe

Traffic light protocol extension for Thunderbird, messages are customizable in the option page.

Not yet rated
3 users

tuneMDNDSN Requires Restart

fix behavior of notifications checkboxes in compose window when editing msg as new

Not yet rated
1 user

Typical Reply Requires Restart

Provides ability to send/receive typical replies in a team.Provides ability to send/receive typical replies in a team.

Not yet rated
3,822 users