Up & Coming Extensions


AddressBookTab Requires Restart

It adds a button that can be put in toolbars and that open the addressbook in a new tab

Rated 4 out of 5 stars (67)
19,290 users

confirm-mail Requires Restart


Rated 3 out of 5 stars (5)
2,858 users

LDAP Contact Photo Requires Restart

Show contact photo stored in LDAP directory

Rated 5 out of 5 stars (6)
1,371 users

OBM Connector Requires Restart

OBM Lightning Calendar and addressbooks connector

Not yet rated
1,041 users

No application/applefile Requires Restart

Prevents storing of the MIME Type "application/applefile".

Rated 5 out of 5 stars (2)
979 users

Join-NG Requires Restart

Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".

Rated 5 out of 5 stars (2)
2,605 users

Opacus SugarCRM/SuiteCRM Thunderbird Extension Requires Restart

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

Rated 5 out of 5 stars (5)
1,658 users

Confirm-Address Requires Restart

Confirm E-mail address before sending mail

Rated 4 out of 5 stars (32)
55,275 users

Display Quota Requires Restart

This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...

Rated 4 out of 5 stars (30)
35,164 users

bulkPaste_recipient Requires Restart

May be send an email to have your work routine.
Mail Settings (To / Cc / Bcc / Return / Subject) etc.

This extension is by creating a simple formatting, you can complete the address written in two steps

Rated 4 out of 5 stars (2)
1,272 users

PrintingTools Requires Restart

Adds some options to print messages and addressbooks

Rated 5 out of 5 stars (22)
34,214 users

Address bulk copy (アドレス一括コピー) Requires Restart

Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。

Rated 5 out of 5 stars (2)
2,057 users

Auto Address Cleaner Requires Restart

Removes comment, display name automatically from addresses before sending mail.

Rated 4 out of 5 stars (49)
17,885 users

Allow Local Addresses Requires Restart

Allows Thunderbird to send to addresses without a domain, for corporate / intranet use...

Rated 4 out of 5 stars (6)
787 users

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (8)
22,436 users

xSidebar for Thunderbird Requires Restart

Firefox sidebars for Thunderbird.

Rated 4 out of 5 stars (11)
848 users

Subject Cleaner Requires Restart

Remove extra strings from the subject while composing the message.

Rated 5 out of 5 stars (1)
972 users

Winmail Opener Bridge Requires Restart

Opens attached winmail.dat by Winmail Opener automatically.

Not yet rated
1,015 users

Addressbooks Synchronizer Requires Restart

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

Rated 4 out of 5 stars (59)
36,465 users

Flex Confirm Mail Requires Restart

Confirm mail address and attachments based on flexible rules.

Rated 1 out of 5 stars (1)
9,785 users