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Custom Address Sidebar

Allow you to help address sidebar more useful.

Rated 4 out of 5 stars (6)
3,604 users

PopMailListRecipients

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 (10)
832 users

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 (3)
13 users

Contacts Sidebar Featured

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Rated 4 out of 5 stars (272)
32,903 users

tzpush

Z-Sync to Thunderbird Addressbook
Will sync Thunderbird address book to Zentyal, Zarafa, Horde and outlook.com/hotmail.

Rated 4 out of 5 stars (11)
1,401 users

LookOut Featured

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).

Rated 4 out of 5 stars (145)
186,299 users

AddressBook In Mode ToolBar

Add adressbook button to "mode toolbar" (requires lightning extention)

Rated 4 out of 5 stars (7)
1,266 users

Flexible Identity

Selects an identity based on the recipients list when sending an email

Rated 4 out of 5 stars (21)
1,522 users

Security Settings from Address Book

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

Rated 5 out of 5 stars (2)
396 users

Address Cleaner Replying

メッセージ返信時に宛先に含まれる表示名を除去します。
A display name is erased when an e-mail screen is opened.

Rated 5 out of 5 stars (2)
509 users

Windows Contacts Loader

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

Rated 4 out of 5 stars (32)
4,893 users

Addressbooks Synchronizer

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

Rated 4 out of 5 stars (57)
31,580 users

EMail Address Crawler

Automatically fill your address books or send mass mails with e-mail addresses extracted from all your e-mails.

Rated 4 out of 5 stars (89)
3,329 users

Zindus

Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)

Rated 4 out of 5 stars (206)
32,230 users

Telify

Converts telephone numbers into clickable links for use with CTI applications, SIP clients, Skype, Netmeeting, snom phones, the AGFEO TK-Suite Client and SerVonic IXI-PCS.

Rated 4 out of 5 stars (52)
10,715 users

mozPod

Sync your address book with an iPod

Rated 4 out of 5 stars (23)
144 users

ThunderSync

Allows to synchronise Thunderbird's addressbook with external directories/files. Every contact is exported/compared with an external file. Right now, only vCard version 2.1 is supported as export file format.

Rated 4 out of 5 stars (15)
9,735 users

addressContext

An extension to add addressbook-related options to the context...

Rated 4 out of 5 stars (50)
1,957 users

Contact Photos

Displays contact photos in the message header.

Rated 4 out of 5 stars (22)
1,952 users

Awesome ldapInfoShow No Restart

Show contact photo and other info from Local Dir, Addressbook, LDAP, Facebook, LinkedIn, Flickr, Gravatar etc

Rated 4 out of 5 stars (10)
1,395 users