Recently Updated Extensions
Stop Ignoring Reply:To Requires Restart
Default "Reply" functionality pays attention to "Reply-To" in original email
CardBook Requires Restart Featured
A new Thunderbird address book based on the CardDAV and vCard standards.
AutoarchiveReloaded Requires Restart
Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)
ThunderStats! Your Thunderbird Statistics! Requires Restart
Do you remember the old good Eudora statistics? Do you miss them?
Using this addon you can finally keep an eye on how you use your beloved Thunderbird!
Maximize Message Pane Requires Restart
Maximize message pane by collapsing the thread pane. You can read a message in larger area without opening a new message window...
Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird
Phoenity Buttons Requires Restart
Adds some toolbar buttons using phoenity icons.
Displays message headers more compact (2 lines).
Copy Sent to Current Requires Restart
Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.
quickFilters Requires Restart
Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.
By popular demand, supports SORTING filters alphabetically.
Tag Toolbar Requires Restart
Add toolbar for toggling tags.
LocalFolder Requires Restart
Add as many local folders as you want to.
New folders can reside on mapped or network locations.
Works with both TB60 through TB65
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.
Message Archive Options Requires Restart
Adds the ability to customise the date format of the archive folders created by TB's Archive Message function
Keep in Taskbar Requires Restart
A simple plugin that makes the Close button behave exactly like the Minimize one.
Uploads your large attachments to your Dropbox instead of sending them by email.
Emoji Requires Restart
Add emojis to your e-mails.
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。
lightningWeather Requires Restart
LightningWeather shows the weather forecast in the background of the calendar so you can easily coordinate your activities with the weather.
More Snooze Requires Restart
This add allow to customize the snooze delay when snooze popup appears (lightning required).
Mail Redirect Featured
Allow to redirect (a.k.a. "remail") mail messages to other recipients.