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Lightning Requires Restart

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Rated 3 out of 5 stars (1.941)
6.595.262 usuaris

ImportExportTools Requires Restart

Adds some tools to import and export folders and messages

Rated 4 out of 5 stars (196)
462.706 usuaris

Provider for Google Calendar Requires Restart

Allows bidirectional access to Google Calendar

Rated 4 out of 5 stars (1.024)
309.571 usuaris

Manually sort folders Requires Restart

This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.

Rated 4 out of 5 stars (292)
169.963 usuaris

Enigmail Destacat

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Rated 4 out of 5 stars (221)
133.625 usuaris

Quicktext Requires Restart

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Rated 4 out of 5 stars (318)
91.660 usuaris

gContactSync Requires Restart

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

Rated 4 out of 5 stars (265)
91.163 usuaris

CompactHeader Requires Restart Destacat

Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. New beta version available from http://compactheader.mozdev.org/

Rated 5 out of 5 stars (171)
90.743 usuaris

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

Rated 4 out of 5 stars (28)
82.562 usuaris

LookOut 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).

Rated 4 out of 5 stars (156)
71.068 usuaris

Remove Duplicate Messages (Alternate) Requires Restart

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Rated 4 out of 5 stars (183)
70.851 usuaris

Enviar més tard Requires Restart

“Enviar més tard” és la funció per programar quan vols fer l'enviament.

Rated 5 out of 5 stars (138)
70.013 usuaris

Signature Switch Requires Restart

Switch the signature on/off or choose a new one from your predefined set.

Rated 4 out of 5 stars (199)
64.647 usuaris

Mail Merge Requires Restart Destacat

Mass Mail and Personal Mail

Rated 5 out of 5 stars (162)
61.525 usuaris

CardBook Requires Restart Destacat

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (187)
40.870 usuaris

MinimizeToTray revived Requires Restart

Minimizes windows into the system tray.

Rated 4 out of 5 stars (385)
37.243 usuaris

Mail Redirect Requires Restart Destacat

Permetre redirigir o "rebotar" missatges de correu a d'altres destinataris.

Rated 4 out of 5 stars (128)
36.526 usuaris

PrintingTools Requires Restart

Adds some options to print messages and addressbooks

Rated 5 out of 5 stars (27)
33.429 usuaris

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 (33)
33.129 usuaris

Test Pilot for Thunderbird

Add-on has now been discontinued, see below.

Rated 1 out of 5 stars (15)
32.951 usuaris