Contacts
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AddressLabel
Requires Restart
Create address labels from selected contacts in pdf, odt, ps or html.
Usage
1) Chose settings.
2) In the Address Book, select contacts and right click.
3) Print with "Actual Size" (not "Fit to Page").
Auto Address Cleaner
Requires Restart
Removes comment, display name automatically from addresses before sending mail.
Address Move Button
Requires Restart
Allow you to add a Address Move Button to mail compose window.
TbSync
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.
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.
Provider for CalDAV & CardDAV
This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.
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.
ThunderBirthDay
Requires Restart
Display birthdays from the Thunderbird addressbooks as events in Lightning.
Provider for Exchange ActiveSync
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync
THUNDER!Box
Requires Restart
Thunder!Box allows transferring contacts from your Thunderbird-Addressbook to the phonebook of a connected AVM FRITZ!Box FON router and back. You may also use your addressbook to initiate calls.
CardBook
Featured
A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon
ExQuilla for Exchange
Thunderbird email accounts connecting to Microsoft Exchange Web Services.
Expand mailing list recipients
Requires Restart
Adds a toolbar button to expand address book lists to its recipients - useful to stripe out some of them when sending mail...
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
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.
AddressBookTab
Requires Restart
It adds a button that can be put in toolbars and that open the addressbook in a new tab
To create your own collections, you must have a Mozilla Add-ons account.