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Toggle Address Box

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

Not yet rated
70 users

TabControl

Automatically close old tabs when opening new mails.

Rated 5 out of 5 stars (3)
248 users

YouTube RSS feed redesign

Adds YouTube thumbnails to RSS feed entries

Rated 5 out of 5 stars (1)
61 users

Quick Spaces

Makes it possible to add custom addresses to the spaces toolbar

Rated 5 out of 5 stars (3)
39 users

quickfilter-kbd

A simple Thunderbird extension that adds keyboard shortcuts to quick-filter messages with the same sender, subject, or recipient as a selected message.

Rated 5 out of 5 stars (2)
48 users

Full Address Column

Adds a full sender and recipient e-mail column to message list panel.

Rated 5 out of 5 stars (72)
5,134 users

Weatherlicious

A dynamic theme based on weather data from OpenWeatherMap.

Rated 4 out of 5 stars (8)
347 users

Two Dynamic Birds

An extension of the "Two Little Birds" and "Dracula" themes that includes a toggle button to turn on dark mode.

The position of the light/dark toggle button can be customised to avoid it covering the cute birds!

Not yet rated
32 users

Darko

Simple dark mode (theme) for your Thunderbird messages.

FastAddons.com/#darko

Rated 5 out of 5 stars (31)
4,049 users

Topic Tree / Notebook in TB

* A place to keep notes and ideas
* Notes can be styled with images, tables, links, mindmaps etc.
* Full text search
* Copy and paste text/html
* Drag text/html into tree to create new note
* Backup
* Print notes
* Notes for emails: XNote++

Rated 3 out of 5 stars (5)
363 users

Toggle HTML

Adds a Toggle HTML button

Rated 4 out of 5 stars (8)
995 users

Thematic

Quickly switch between your themes or back to the default.

Rated 1 out of 5 stars (1)
492 users

ThunderWebTabs

Opens Google Keep, Google Photos, Android Messages or any other website in Thunderbird's tab.

Users who encounter "Browser not supported errors" should try changing their User Agent. For more details, please visit the "Support site".

Rated 5 out of 5 stars (1)
257 users

Change Link Appearance

Changes the appearance of links when displaying a message

Not yet rated
84 users

Open Google Tabs

Open up Google Calendar, Notes, and Microsoft Outlook in a new tab.

Not yet rated
79 users

ThunderSuite - Customize your Quick Access Sidebar

This extension allows user editing of the spaces sidebar.
Create custom spaces from the extension options, to turn the new toolbar introduced with Supernova into your personal quick access toolbox.

Rated 5 out of 5 stars (7)
271 users

Phoenity Icons

Phoenity icons for Thunderbird

Rated 5 out of 5 stars (68)
12,754 users

Open in XPS | XPSLogic

U kunt met deze extensie tickets en taken openen door middel van de knop open in XPS

Er moet wel eerst een client worden ingevuld dit kunt u invullen onder opties

Not yet rated
6 users

Search Button

Toolbar button to invoke message search dialog window.

Rated 5 out of 5 stars (9)
2,548 users

Move Folder (context-menu)

Adds the "Move to" menu entry to the folders panel context menu, allowing to move a Local folder (and its content) to another.
This feature is similar to the native one within message(s) context menu ("Move To"), but it applies to the folder tree.

Rated 3 out of 5 stars (2)
407 users