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Send to Internals Requires Restart

Provides a special button to send mail to internals. "Internals" may be company, organization, or user group and so on.

Not yet rated
2 users

Column Reader

Web reader for wide screens and long documents. Read with pleasure in attractive layouts.

Rated 5 out of 5 stars (14)
4 users

Safe for Amoled

Darkens the background of the page

Rated 3 out of 5 stars (19)
1 user

Force Hide Message Pane Requires Restart

Force hide message pane at startup.

Not yet rated
16 users

Old-style smilies Requires Restart

Reverts the smilies in Thunderbird to those of version 2.

Rated 4 out of 5 stars (1)
5 users

Thunderbird-DontRestoreTabs Requires Restart

Allows the user not to restore tabs at startup in Thundertbird

Rated 4 out of 5 stars (3)
26 users

Page Colors & Fonts Buttons

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

Rated 5 out of 5 stars (8)
7 users

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 4 out of 5 stars (13)
2 users

QuickMultiselect Requires Restart

Adds a column with checkboxes so that you can select multiple messages with only a mouse click.

Rated 5 out of 5 stars (2)
1 user

TipsTrade Ticket Buttons Requires Restart

This extension parses emails for TipsTrade Tickets and VRMs and creates a menu that links directly to the vehicle in the Broking Applications. Add the "Ticket" button to the email preview toolbar. Click on the button to generate tipstrade:// links

Not yet rated
0 users

Version Number in Add-ons Manager

[Restartless] [e10s Compatible]
Easily viewable version info in the Add-ons Manager on Firefox/Thunderbird 41.0 - 56.*
Also restores the add-on version number on Firefox/Thunderbird 41.0 - 56.*.

Rated 4 out of 5 stars (4)
11 users

Large Fonts Requires Restart

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

Rated 3 out of 5 stars (2)
2 users

Extensor

Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.

Rated 5 out of 5 stars (5)
3 users

Gravatars Requires Restart

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

Rated 4 out of 5 stars (2)
4 users

Pic Zoom Requires Restart

Zoom in and out of any image on a page

Not yet rated
0 users

Email Addresses in Message Headers Requires Restart

Shows email addresses in message headers, including those of contacts, and provides control over message header presentation.

Rated 3 out of 5 stars (2)
8 users

Highlight Unread Folders Requires Restart

This add-on enables highlighting the account names which contain unread messages.

Rated 5 out of 5 stars (1)
3 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)
1 user

UI Text Overrider

Provides ability to override UI elements' label, tooltip text, etc.

Rated 5 out of 5 stars (1)
0 users

AntiLostFilter Requires Restart

Фильтр для конференций AUTO.RU

Rated 5 out of 5 stars (1)
1 user