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Stop Ignoring Reply:To Requires Restart

Default "Reply" functionality pays attention to "Reply-To" in original email

Rated 5 out of 5 stars (9)
369 users
Updated Feb. 22, 2019

CardBook Requires Restart Featured

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

Twitter: @CardBookAddon

Rated 4 out of 5 stars (194)
44,913 users
Updated Feb. 21, 2019

AutoarchiveReloaded Requires Restart

Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)

Rated 4 out of 5 stars (9)
7,188 users
Updated Feb. 20, 2019

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!

Rated 3 out of 5 stars (7)
1,416 users
Updated Feb. 16, 2019

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...

Rated 4 out of 5 stars (27)
1,948 users
Updated Feb. 16, 2019

Owl for Exchange

Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird

Rated 4 out of 5 stars (5)
176 users
Updated Feb. 15, 2019

Phoenity Buttons Requires Restart

Adds some toolbar buttons using phoenity icons.
Displays message headers more compact (2 lines).

Rated 4 out of 5 stars (8)
1,338 users
Updated Feb. 14, 2019

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.

Rated 4 out of 5 stars (70)
2,907 users
Updated Feb. 14, 2019

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.

Rated 5 out of 5 stars (36)
13,224 users
Updated Feb. 13, 2019

Tag Toolbar Requires Restart

Add toolbar for toggling tags.

Rated 4 out of 5 stars (61)
14,218 users
Updated Feb. 9, 2019

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

Rated 4 out of 5 stars (19)
1,822 users
Updated Feb. 8, 2019

TbSync

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Rated 5 out of 5 stars (51)
17,081 users
Updated Feb. 8, 2019

Message Archive Options Requires Restart

Adds the ability to customise the date format of the archive folders created by TB's Archive Message function

Rated 4 out of 5 stars (20)
144 users
Updated Feb. 7, 2019

Keep in Taskbar Requires Restart

A simple plugin that makes the Close button behave exactly like the Minimize one.

Rated 5 out of 5 stars (15)
584 users
Updated Feb. 7, 2019

CloudFile Provider for Dropbox

Uploads your large attachments to your Dropbox instead of sending them by email.

Rated 5 out of 5 stars (1)
99 users
Updated Feb. 3, 2019

Emoji Requires Restart

Add emojis to your e-mails.

Rated 4 out of 5 stars (18)
11,761 users
Updated Feb. 1, 2019

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。
それを実現するためのアドオンです。

Rated 5 out of 5 stars (6)
620 users
Updated Jan. 31, 2019

lightningWeather Requires Restart

LightningWeather shows the weather forecast in the background of the calendar so you can easily coordinate your activities with the weather.

Rated 3 out of 5 stars (11)
1,794 users
Updated Jan. 31, 2019

More Snooze Requires Restart

This add allow to customize the snooze delay when snooze popup appears (lightning required).

Rated 5 out of 5 stars (5)
842 users
Updated Jan. 31, 2019

Mail Redirect Featured

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

Rated 4 out of 5 stars (129)
37,675 users
Updated Jan. 31, 2019