Extensions by Name

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addressContext

An extension to add addressbook-related options to the context...

Rated 4 out of 5 stars (50)
1,960 users

AddressLabel

Create address labels from selected contacts in pdf, odt, ps or html.

Usage
1) Verify settings
2) In the Address Book, select contacts and right click

Rated 5 out of 5 stars (1)
177 users

AddTo Miru Directory Server

The AddTo extension allows Thunderbird users to add contact cards direct to a shared miru directory server. Once added contact details are available via LDAP for auto-complete and address book search...

Rated 4 out of 5 stars (3)
13 users

Adhiyan

Adhiyan is a tool to convert and view TSCII/TUNE/TAB/TAM/DailyThanthi/Dinamani/Chenet/Kambar encoded Tamil content to UNICODE Tamil.

Rated 5 out of 5 stars (3)
60 users

Advanced Unread Folders

Adds a folder view showing unread folders, including their hierarchy. This is helpful if you have a lot of folders to make sure you don't miss an email, or if you are not happy with the existing unread folders view.

Rated 4 out of 5 stars (9)
1,392 users

After Unsent Mail Is Sent

Run a program of your choice after unsent mail has been sent.

Rated 5 out of 5 stars (1)
85 users

AjaXplorer for Filelink

Adds support to use Mozilla Filelink with an AjaXplorer account.

Rated 5 out of 5 stars (5)
417 users

AlertSwitch

Turn on/off the alert shown when new message arrives.

Rated 4 out of 5 stars (3)
752 users

AlexPro for Thunderbird

AlexPro add-on per ThunderBird è un componente per l'archiviazione dei messaggi ricevuto o inviati nelle Pratiche AlexPro.

Not yet rated
28 users

All mail from all accounts

Add a toolbar button to send and receive all mail from all accounts for Leopard theme.

Rated 5 out of 5 stars (1)
417 users

All Menus Button No Restart

Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.

Rated 5 out of 5 stars (4)
1,092 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)
862 users

Allow Empty Subject

Allows Thunderbird to send message without a subject.

Visit my Allow Empty Subject site for recent versions and news.

Rated 4 out of 5 stars (20)
980 users

Allow HTML Temp

This Add-on allows to have HTML temporarily allowed in the currently displayed message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (if this is your default mode).

Rated 4 out of 5 stars (56)
10,765 users

Allow Local Addresses

Allows Thunderbird to send to addresses without a domain, for corporate / intranet use...

Rated 3 out of 5 stars (4)
736 users

Alphanumerator

Convert alphanumeric phone numbers to just numbers. Simply highlight the text, right-click it, and click "Alphanumerate". For example, 1-800-PICK-UPS would be converted to...

Rated 5 out of 5 stars (2)
66 users

Always Default Client No Restart

Makes the application to the default client on every startup.

Not yet rated
6 users

Always HTML

Disable automatic degradation of HMTL mails to plain-text mails.

Rated 5 out of 5 stars (6)
1,528 users

AMBER A.I.

Artificial intelligence-based aircraft parts procurement and RFQ sending tool for Thunderbird

Not yet rated
1 user

Android Debug Bridge For Firefox No Restart

This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.

Rated 5 out of 5 stars (1)
256 users