CardBook Requires Restart Featured
CardDAV Browser Requires Restart
A utility to browse vCards stored on a CardDAV server.
CategoryManager 2 Requires Restart
Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).
CALDAV - Search/Subscribe Requires Restart
Add CalDAV search & subscribe feature to Lightning
LookOut (fix version) Requires Restart
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 and SeaMonkey
OBM Connector Requires Restart
OBM Lightning Calendar and addressbooks connector
Opacus SugarCRM/SuiteCRM Thunderbird Extension Requires Restart
Enables the archiving of emails into SugarCRM/SuiteCRM from Thunderbird 3 and above.
Contact Photos Requires Restart
Displays contact photos in the message header.
Show contact photo and other info from Local Dir, Addressbook, LDAP, Facebook, LinkedIn, Flickr, Gravatar etc
Too Many Recipients Requires Restart
Contourne la limite du nombre de destinataires/e-mail des serveurs SMTP.
Gets around the limit on the number of recipients/e-mail of SMTP servers.
Evita la limitación de número de destinatarios/e-mail del servidor SMTP.
ExQuilla for Microsoft Exchange Requires Restart
Thunderbird email accounts connecting to Microsoft Exchange Web Services. A 60 day trial of a paid add-on.
Update for Thunderbird 52: See https://exquilla.zendesk.com/hc/en-us/articles/115001708463. Summary: estimated on 2017-04-23 or try beta.
gContactSync Requires Restart
Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.
tzpush Requires Restart
Z-Sync to Thunderbird Addressbook
Will sync Thunderbird address book to Zentyal, Zarafa, Horde and outlook.com/hotmail.
AddressBook In Mode ToolBar Requires Restart
Add adressbook button to "mode toolbar" (requires lightning extention)
Telify Requires Restart
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.
ThunderSync Requires Restart
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.
TBDialOut Requires Restart
Place phone calls directly from Thunderbird's address book
Windows Contacts Loader Requires Restart
Loads Windows Contacts from Windows 7 or Vista in a Thunderbird Address Book called "Windows".
Contact Tabs Requires Restart
Contact Tabs enhances Thunderbird to give you quick access to all your contacts directly from Thunderbird's main window: Use the powerful search field to find your contacts and open them in a new tab for viewing and editing.
Duplicate Contact Manager Requires Restart
Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.