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CardBook Featured

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (340)
69,746 users
Updated May 12, 2021

Addressbooks Synchronizer

Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers

Rated 4 out of 5 stars (70)
17,419 users
Updated May 8, 2021

Google-4-TbSync

This provider add-on adds Google synchronization capabilities to TbSync. Only contacts and contact groups are currently managed, using Google's People API.

Please read the "About this Add-on" section below carefully!

Rated 3 out of 5 stars (3)
286 users
Updated April 12, 2021

Add contact to CC by mentioning in body with @

Use @ to mention somebody on an email to link and add to the CC.

Rated 5 out of 5 stars (1)
117 users
Updated April 9, 2021

Outlook Address Book Enabler

Enables the Outlook address book in Thunderbird.

Not yet rated
2 users
Updated March 24, 2021

CategoryManager

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Rated 5 out of 5 stars (15)
7,960 users
Updated March 23, 2021

TbSync

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Rated 5 out of 5 stars (156)
70,552 users
Updated March 18, 2021

LookOut (fix version)

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Support: Thunderbird

Rated 4 out of 5 stars (72)
138,436 users
Updated Jan. 12, 2021

ExQuilla for Exchange

Thunderbird email accounts connecting to Microsoft Exchange Web Services.

Rated 4 out of 5 stars (120)
10,308 users
Updated Dec. 23, 2020

TBDialOut

Place phone calls directly from Thunderbird's address book

Rated 5 out of 5 stars (13)
1,130 users
Updated Dec. 8, 2020

Provider for CalDAV & CardDAV

This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, ownCloud, Nextcloud, Radicale and many more.

Rated 5 out of 5 stars (37)
45,712 users
Updated Nov. 9, 2020

Birthday Calendar

Adds calendars containing the birthdays from your address books.

Rated 5 out of 5 stars (13)
1,916 users
Updated Oct. 30, 2020

Provider for Exchange ActiveSync

Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync

Rated 5 out of 5 stars (23)
26,772 users
Updated Oct. 16, 2020

Auto Address Cleaner T

Remove comment, display name from addresses before sending mail.

This add-on is a fork of Auto Address Cleaner.
https://addons.thunderbird.net/thunderbird/addon/auto-address-cleaner/

Rated 5 out of 5 stars (4)
4,438 users
Updated July 17, 2020

MRC Compose Requires Restart

Remplace la liste d'adresses par les champs standards (Pour, Copie à, Copie cachée à) avec l'autocomplétion.
Provides standards fields (TO, CC, BCC) with autocomplete to Thunderbird's compose pane.
For bug reports, please use support email.

Rated 4 out of 5 stars (65)
800 users
Updated April 16, 2020

Add to Mailing list

Add the current email (sender) to an existing mailing list.

Rated 3 out of 5 stars (3)
459 users
Updated April 14, 2020

Opacus SugarCRM/SuiteCRM Thunderbird Extension Requires Restart

Enables the archiving of emails into SugarCRM/SuiteCRM from Thunderbird 3 and above.

Rated 3 out of 5 stars (12)
180 users
Updated March 19, 2020

Zoiper Thunderbird Plugin Requires Restart

It allows you to make calls via Zoiper from Mozilla Thunderbird.

Rated 2 out of 5 stars (2)
16 users
Updated Feb. 1, 2020

TabAddressbook Requires Restart

Creates a tab for the addressbook.

Rated 4 out of 5 stars (9)
107 users
Updated Jan. 29, 2020

ansitel Click-to-Dial

This plugin will call a selected number by clicking the right mouse button.

Not yet rated
53 users
Updated Jan. 8, 2020