Miscellaneous

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Hide Menubar

Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.

Rated 4 out of 5 stars (334)
9,749 users

AutoProxy-ng

This is a fork of AutoProxy, which can run the latest version of Firefox.

Rated 5 out of 5 stars (8)
2,305 users

Address bulk copy (アドレス一括コピー)

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 (2)
2,122 users

Dorando keyconfig

A modified Dorando's tool to rebind keys in Mozilla apps. It is designed to be a drop-in replacement, and will keep your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) works again!

Rated 5 out of 5 stars (11)
1,190 users

WebDAV for Filelink

Adds the possibility to use a WebDAV store for Filelink. With this extension you can link attachments to a WebDAV service, for example as provided by Apache's mod_dav or some public services.

Rated 4 out of 5 stars (18)
2,111 users

Address Close Button

Adds a Address Close Button to mail compose window.

Rated 5 out of 5 stars (25)
14,587 users

ALL To CC BCC

送信先アドレスのすべてをTo、CC、BCCに変更するボタンです。
メール作成画面の、件名の下に追加されます。

Rated 4 out of 5 stars (1)
1,145 users

Ruler Bar

This appends a ruler to the mail composition window.

Rated 4 out of 5 stars (8)
2,667 users

Blinking Alert

Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.

Rated 4 out of 5 stars (27)
13,285 users

AutoConfiguration Hook

Provides ability to create E-mail accounts for specific ISP via the account creation wizard.

Not yet rated
5,441 users

RedirectFilter

Redirect action in the filters.

Rated 4 out of 5 stars (15)
2,600 users

Any Confirmation Message before Send

You can set Any Confirmation Message before Send.

Rated 4 out of 5 stars (3)
1,089 users

Extension List Dumper 2

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

Rated 4 out of 5 stars (28)
1,193 users

withAttach

This extension adds a menu option (and a toolbar button) to compose an email "with attachments"...

Rated 4 out of 5 stars (14)
5,158 users

SmartTemplate

This Add-on provides the smart and simple templates and abilities to customize the quote header flexibly.
Templates can be inserted automatically at the new/repling/forwarding message. A different template can be used respectively per account.

Rated 4 out of 5 stars (111)
1,642 users

Quicktext

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 (332)
92,247 users

Splash!

Adds a splash screen to most Mozilla and Mozilla Based products. Supports sound, opacity, CSS customization, custom images, and much more. You can add {appVersion}, {buildID} and {userAgent} to the loading text and it will be filled in for you.

Rated 4 out of 5 stars (104)
9,340 users

IMAP Quota (Free Space)

This Thunderbird addon let you customize the behaiour of the IMAP quota statusbar panel.

Not yet rated
2,151 users

NestedQuote Remover

Remove nested quotes when replying to a...

Rated 3 out of 5 stars (16)
3,077 users

ProfileSwitcher

It adds some options to launch easily other profiles and the Profile Manager.

Rated 4 out of 5 stars (86)
52,026 users