Contacts (old, follow website link below for current addon)

This version is not supported, please see the official Contacts addon with id 243985

Rated 3 out of 5 stars (16)
549 users
Added August 3, 2010

Windows Contacts Loader

Loads Windows Contacts from Windows 7 or Vista in a Thunderbird Address Book called "Windows".

Rated 4 out of 5 stars (25)
4,773 users
Added June 16, 2010

Directory Contact Tabs

Displays additional information about contacts from LDAP directory servers. The new panels are provided by one or several customized Directory Contact Tabs (Data) add-ons.

Rated 4 out of 5 stars (1)
38 users
Added May 26, 2010

Telephone Message

Quickly and easy way to inform someone of a missed call. This addon allows you to email the person your passing the message onto, collecting their email address from your address book, with a collection of ready made messages.

Rated 3 out of 5 stars (7)
250 users
Added March 29, 2010

Automatic dictionary switching No Restart

Extension that remembers the language of the spellchecker used when composing and switches to it every time you write to that person.

Rated 5 out of 5 stars (12)
2,485 users
Added March 27, 2010

Add Birthdays To Calendar

Birthdays from addressbook-contacts will be added as events to Lightning...

Rated 3 out of 5 stars (20)
244 users
Added February 27, 2010


Thunder!Box allows transferring contacts from your Thunderbird-Addressbook to the phonebook of a connected AVM FRITZ!Box FON router and back. You may also use your addressbook to initiate calls.

Rated 5 out of 5 stars (24)
2,362 users
Added February 10, 2010


Add a scroll menu in the edit contact panel, open from the star button, allowing to move the contact in the chosen address book.


Rated 4 out of 5 stars (28)
884 users
Added February 4, 2010


It adds a button that can be put in toolbars and that open the addressbook in a new tab

Rated 4 out of 5 stars (54)
15,320 users
Added January 28, 2010

Display Contact Photo

Displays the contact photo/image/picture of the sender/recipient while reading or composing a message. Supports photos in a local folder and the 'Face' header for embedded photos. The add-on adds new generic photos and many styling possibilities.

Rated 4 out of 5 stars (72)
10,147 users
Added January 6, 2010

Contact Photos

Displays contact photos in the message header.

Rated 4 out of 5 stars (21)
2,496 users
Added January 5, 2010

Eortologio - Greek Namedays Calendar (Thunderbird)

This extension consists of a Greek Orthodox Namedays reminder. It displays in Thunderbird status bar current day's celebrated names.

Rated 5 out of 5 stars (2)
21 users
Added January 4, 2010

Japanese Style Address

Display Japanese Style Address.

Rated 3 out of 5 stars (2)
40 users
Added December 31, 2009

Duplicate Contact Manager 2

Facilitates handling of duplicate contacts in your address books. Update of add-on Duplicate Contact Manager v. 0.6 compatible with Thunderbird 3.

Rated 3 out of 5 stars (37)
1,089 users
Added December 5, 2009


SoundPlus customizes the sound that is played when a new message arrives for a particular contact in the address book, similar to mobile phones. There is also a variation that is played when a message arrives and it is a continuation of a thread.

Rated 3 out of 5 stars (12)
2,916 users
Added November 15, 2009


Adds a toolbar button to expand address book lists to its recipients - useful to stripe out some of them when sending mail...

Rated 4 out of 5 stars (7)
661 users
Added September 18, 2009

Signature /Auto Paste /Prefill Fourms

Makes everyday entries to forms & forums simpler!
Add a sig. with just a Rclick of the mouse and select 'Add Sig.' from the context menu.
(Please, note: What you see in the pic is only an example. ThoseRMine Sorry, you have to make your own tabs. )

Rated 4 out of 5 stars (20)
4,564 users
Added September 12, 2009

LDAP Swapping

This extension allow you to simply switch on / off the LDAP autocompletion.

Rated 4 out of 5 stars (3)
606 users
Added July 17, 2009

sipgateFFX for Firefox and Thunderbird

The sipgate extension enables a practical overview for your account, direct call list notifcations, a speed access to several parts of sipgate's website, initiaiting click2dial calls, sending messages and faxes directly from your browser.

Rated 4 out of 5 stars (17)
5,972 users
Added June 19, 2009

Check Recipients

Checks the existence of email addresses of all recipients in Compose message window from local address books and LDAP directories.

Rated 1 out of 5 stars (1)
14 users
Added April 8, 2009