OBM Connector Requires Restart

OBM Lightning Calendar and addressbooks connector

Opacus SugarCRM 6.2+ Thunderbird Integration Pro Requires Restart

SugarCRM 6.2.0-8.x/SuiteCRM 7.x Integration for Thunderbird

Enables archiving of emails into SugarCRM and SuiteCRM from Thunderbird. Requires a purchased license key (you can request a trial from within the extension).

Opacus SugarCRM/SuiteCRM Thunderbird Extension Requires Restart

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

OpenERP Plugin Requires Restart

OpenERP Thunderbird Integration for version starting from 6.1.

Outlook Address Book Enabler

Enables the Outlook address book in Thunderbird.

printplus Requires Restart

PDF export support by Gecko.
https://github.com/hATrayflood/printplus

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.

Provider for Exchange ActiveSync

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

Recently

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

Report Requires Restart

Печать реестра входящих и исходящих сообщений, полученных/переданных по электронной почте.

Scan'Mail Requires Restart

Scan'Mail is a QR Code generator that allows you to transfer easily information from your mail client to your mobile phone.

Secure Addressing Plus Requires Restart

Fork of "Secure Addressing" addon by Hiroya Matsuba with some added features.
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This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient addresses upon sending.

Security Settings from Address Book Requires Restart

Sets message security (sign/encrypt) when sending or saving messages based on recipients' address book entry's field "Custom1".

Select Address Book Text Requires Restart

Copy and paste a name, phone number, address or other text from your Thunderbird address book quickly, with just a single menu click.

Send Format LDAP Requires Restart

Gets supported email formats (text/HTML) by the recipients from LDAP directories.

Sender Name Requires Restart

SendToSecondEmail Requires Restart

This Extension lets you send Mails to both, first and second email address...

Serial Letter Requires Restart

Provides the ability to start writing a template-derived letter directly from within the address book. Supports also multiple recipients. Supports only TeX and similar systems at the moment.

Signature /Auto Paste /Prefill Fourms Requires Restart

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. )

SJCall Requires Restart

SJCall is a beta version of a VoIP extension enabling you to place telephone calls directly from the Mozilla applications using SJphone, the world-leading Internet softphone...