Appearance and Customization

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Customizable LDAP AddressBook Auto Complete Requires Restart

Provides (restores) customizability of auto complete items for LDAP addressbook items, and more features.

Rated 5 out of 5 stars (1)
473 users
Updated August 22, 2015

Enhanced Priority Display Requires Restart

Enhanced thread pane display of message priorities.

Rated 5 out of 5 stars (5)
1,154 users
Updated July 25, 2015

Profile Buttons

A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.

Rated 3 out of 5 stars (4)
1,459 users
Updated July 23, 2015

Lightning Reminder Left Buttons Requires Restart

Tired to mistakenly press that "Dismiss All" button? Move the Lightining Reminder "Snooze all for" and "Dismiss All" buttons to the LEFT!
... and from version 2.0 you can keep them on the RIGHT, but swapped!

Rated 4 out of 5 stars (1)
1,100 users
Updated July 18, 2015

about:config Button

Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.

Rated 5 out of 5 stars (5)
3,277 users
Updated July 2, 2015

Extra Format Buttons Requires Restart

Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.

Rated 5 out of 5 stars (10)
5,967 users
Updated June 28, 2015

Noia Fox options Requires Restart

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

Rated 5 out of 5 stars (15)
29,127 users
Updated June 21, 2015

Page Colors & Fonts Buttons

Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.

Rated 4 out of 5 stars (4)
2,411 users
Updated June 11, 2015

All Menus Button

Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.

Rated 5 out of 5 stars (8)
2,032 users
Updated June 11, 2015

Gravatars Requires Restart

Show a column with the Gravatar-picture and sender-name in email folders.

Not yet rated
69 users
Updated April 27, 2015

HTitle (discontinued) Requires Restart

Hide title bar if window is maximized.

[!] This add-on has been discontinued.

This extension created only for GNOME 3. It can create problems with another DE. However, you can use HTitle at your own risk (need enable "legacy" mode on settings).

Rated 5 out of 5 stars (115)
9,051 users
Updated April 18, 2015

Path Linker Requires Restart

メール本文中のファイルパスっぽいものをリンク化して関連付けで開けるようにします

Not yet rated
29 users
Updated April 13, 2015

Toggle Folderpane View Requires Restart

This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.

Rated 5 out of 5 stars (3)
648 users
Updated February 18, 2015

Auto Zoomer Requires Restart

Keep a preset zoom level across thunderbird restarts.
Usefull on High DPI screens.

Rated 5 out of 5 stars (3)
304 users
Updated February 9, 2015

Simple Week View Requires Restart

A simple week view for Lightning, as in the print layout.

Rated 3 out of 5 stars (3)
644 users
Updated February 9, 2015

Sort and Search Customization Dialogs Requires Restart

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

Rated 4 out of 5 stars (14)
616 users
Updated January 14, 2015

Mark All Read Button Requires Restart

Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.

Rated 4 out of 5 stars (30)
4,431 users
Updated January 8, 2015

ksbtechies

Displays latest ksbtehchies News in a popup widget
Get all the Latest ksbtehchies News headline with a single click.

Opens a popup widget with the latest news headlines.

Not yet rated
1 user
Updated December 14, 2014

QuickFilterPlus

Adds personal filters to quickfilter toolbar

Rated 4 out of 5 stars (1)
138 users
Updated December 11, 2014

More Snooze Requires Restart

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

Rated 5 out of 5 stars (5)
1,299 users
Updated November 21, 2014