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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 (442)
65,589 users

ExQuilla for Exchange

Thunderbird email accounts connecting to Microsoft Exchange Web Services.

Rated 4 out of 5 stars (131)
4,935 users

LookOut (fix version)

LookOut decodes winmail.dat (TNEF encoded) files that may come from a misconfigured Microsoft Exchange server or Outlook user allowing access to the original attachments
Support: Thunderbird

Rated 4 out of 5 stars (95)
159,618 users

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 (251)
69,173 users

Addressbooks Synchronizer

Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers

Rated 4 out of 5 stars (79)
23,591 users

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 (23)
6,829 users

CardDAV Browser

A utility to browse vCards stored on a CardDAV server.

This version is only for Thunderbird. There is a SeaMonkey version available if needed.

Rated 3 out of 5 stars (7)
330 users

Tomba : Email Finder

Data to power your entire business, with just one click.

Not yet rated
28 users

Conscious ClickUp Save

Conscious ClickUp Thunderbird add-on is a extension that gives support to send/archive mails from Thunderbird to ClickUp project management platform (https://clickup.com/)
For more info: https://github.com/Ruvin/Conscious-ClickUp-Thunderbird-Plugin

Rated 4 out of 5 stars (3)
66 users

Add contact to CC by mentioning in body with @

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

Rated 2 out of 5 stars (5)
307 users

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 (9)
9,394 users

Auto Avatars

Add-on for Thunderbird that automatically populates contact photos with their Libravatar or Gravatar photo. Includes support for custom instances and federation!

Not yet rated
87 users

ThunderbirdBravoClick2Call

Make a call to the selected phone number. Call the public numbers shown on the site via the BRAVO UCC SOLUTION platform by clicking or highlighting them

Not yet rated
1 user

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 4 out of 5 stars (56)
7,647 users

GrapeVine for Salesforce

Connects Thunderbird to Salesforce.com

- Archive Emails from Thunderbird email accounts into Salesforce, automatically
- Synchronise Salesforce Contacts and Leads into Thunderbird's address book
- Create Contacts/Leads in Salesforce from emails

Not yet rated
17 users

Add to Mailing list

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

Rated 2 out of 5 stars (4)
513 users

Recently

Recently is a small Mozilla Thunderbird extension for having the most recent contacts at hand

Not yet rated
67 users

Birthday Calendar

Adds calendars containing the birthdays from your address books.

Rated 5 out of 5 stars (22)
4,239 users

Get All Senders

This add-on retrieves all the senders associated with the emails in this mailbox and stores them in your clipboard.
For more information and to report an issue, please visit the project home page at https://github.com/CicadaCinema/get-all-senders .

Rated 4 out of 5 stars (5)
296 users

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 (54)
43,499 users