Appearance and Customization

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Sort and Search Customization Dialogs

Sort and search for buttons in (any) toolbar customization dialog

Rated 4 out of 5 stars (11)
411 users

Before Tabs Toolbar

Adds a toolbar before the tabs.

Rated 5 out of 5 stars (5)
455 users

Color Folders

Color your Folder Treeview Icons!

Rated 4 out of 5 stars (87)
20,866 users

Priority Switcher

Change priority of the received messages from the toolbar button and the context menus...

Rated 4 out of 5 stars (18)
2,383 users

ViewAbout

Enables access to various about: dialogs from the View menu.

Rated 4 out of 5 stars (12)
3,536 users

Extensor No Restart

A toolbar panel with large icons to quickly perform common actions for all add-on types: activate, uninstall, restart application, show options, show details, show home/review/donation pages. Also useful to easily toggle themes and plugins.

Rated 5 out of 5 stars (4)
291 users

Monitor Master No Restart

Functionality for multiple screens and windows. Open, merge and position windows, tabs and links by means of intuitive graphical controls in your context menu's.

Rated 4 out of 5 stars (10)
1,797 users

Lightweight Themes Manager No Restart

Manage your installed personas (lightweight themes).

Rated 5 out of 5 stars (3)
13,327 users

Colorific No Restart

Colorize web pages by means of advanced controls for hue, saturation, lightness and opacity. White-list web domains for automatic colorization. NEW: Use drag-and-drop to copy themes as text and to freely group color properties.

Rated 4 out of 5 stars (14)
1,845 users

Posting Style Enforcer

Automatically converts top-posted messages to use bottom-positng or vice versa. Interleaved posts are left alone. Detects automatically added text and supports a per-contact list of exceptions.

Rated 5 out of 5 stars (3)
42 users

Lightning Calendar Tabs

Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.

Rated 4 out of 5 stars (6)
27,117 users

Dstocks

Displays stock market indices in the status bar.
Delay of updates on option (default : every 10 mn) or on click.
Right-clic to choose your indice and to see the other ones.

Rated 5 out of 5 stars (2)
271 users

ColumnsWizard

A Thunderbird extension that shows hidden columns in the Conversation Tab and in Search Results.
From version 3.0 is also possible to add Custom Columns not originally present in Thunderbird.

Rated 5 out of 5 stars (2)
238 users

Noia Fox options

Options manager and fixes for Noia Fox theme 3.x.x

Rated 4 out of 5 stars (5)
16,316 users

Windows Taskbar Unread Badge No Restart

Put an unread mail count badge on the Thunderbird icon in the Windows taskbar.

Rated 4 out of 5 stars (4)
455 users

Color Transform No Restart

Adapt page colors to your taste or need. Save your favorite color scheme for automatic coloration of newly opened web pages. With 18 predefined themes and 24 basic transforms for hue, saturation, lightness and opacity.

Rated 4 out of 5 stars (14)
1,962 users

More Snooze

This add allow to customize the snooze delay when snooze popup appears (lightning required).

Rated 4 out of 5 stars (5)
1,559 users

Menu On Top No Restart

Moves the Thunderbird menu bar to the top. Choose from a selection of visual styles.

It is convenient to have the menu on top of the tabs like Firefox; this is also a good area for placing "global" toolbar buttons like Navigation or get mail.

Rated 5 out of 5 stars (3)
645 users

OutlookAlike BETA

Makes Thunderbird looking like Outlook.

Rated 3 out of 5 stars (13)
3,408 users

G-Hub Lite

Adds Google Tabs to Thunderbird. Services include Voice, Calendar, Drive (Docs), Contacts, Groups, News, Books, Play, Maps, Sites, Finance, Picasa, Plus. Need Google Apps? Check out G-Hub Pro: http://www.schiffner.com/index.php/software/g-hub-pro

Rated 3 out of 5 stars (16)
3,061 users