Most Popular Extensions
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S/MIME Security for Multiple Identities Requires Restart
Adds S/MIME Security configuration to the multiple identities dialog.
Meanwhile this feater has been integrated into Thunderbird 3
SUNBIRD Calendar button- **64 bit** version for Firefox 4.* and Thunderbird 3.* Requires Restart
A button to call up the Sunbird Calendar from Firefox and Thunderbird toolbars . 64 BIT operating system version!
Nightly Tester Tools Lite Requires Restart
This is a cut down version of Nightly Tester Tools by Mossop, which is 77.6 KB. I've only included the "copy build id" and "build id in titlebar"...
xSearchbarT2 Requires Restart
Somewhere between Thunderbird 1.5 and Thunderbird 2 the message search bar disappeared. This extension restores the search bar. Thunderbird 2 and newer only.
Habu Requires Restart
*This extension was formerly known as Okopipi*
Please be sure to visit the homepage and forums to provide your input for the future of Habu.
Support can be found at http://forums.mosinu.com/viewforum.php?f=5
IranZilla Requires Restart
IranZilla provides the following services in Thunderbird:
* Adds a column in the mail view for displaying Iranian dates for each email.
* Supports both English and Persian Iranian month names.
* Adds a context menu item for copying the Iranian dates...
Extensão para Controle de Eventos Requires Restart
Esta extensão para Thunderbird tem como objetivo facilitar a inserção de novos eventos vinculados a um e-mail.
CIX Forums Requires Restart
Open CIX Forums in Thunderbird. Free CIX accounts from https://forums.cix.co.uk/signUp.aspx?p=cixbasic
StormCows Requires Restart
Allows two-way access between Remember The Milk and calendar events or todo items.
Sent-By-User column Requires Restart
Adds a new column in message list-view, that will display the name of the user who sent the mail (read from a message header).
Manual configuration required. ONLY FOR THUNDERBIRD.
Disable About Something Requires Restart
Provides ability to disable "about:*" pages by the configuration.
Unselect Message Requires Restart
Prevents Thunderbird from selecting the next message after you've deleted or moved the previously selected ones. Stay in control of which message you want to have selected and displayed in the preview pane; that piece of spam you're deleting...
Stego Block Requires Restart
Embeds a small secondary, encrypted message in an email, known as a Stego Block.
No application/applefile Requires Restart
Prevents storing of the MIME Type "application/applefile".
To create your own collections, you must have a Mozilla Add-ons account.