Up & Coming Extensions

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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)
1,164 users

Auto Compress File

Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).

Rated 5 out of 5 stars (19)
16,401 users

confirm-mail

メール送信前に宛先メールアドレスと添付ファイル名を確認することができるアドオンです。

Rated 3 out of 5 stars (5)
3,021 users

Check Domain

This extension is to display the warning dialog when you send mail for multiple domains.

Rated 4 out of 5 stars (5)
2,551 users

AutoConfiguration Hook

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

Not yet rated
5,073 users

Confirm-Address

Confirm E-mail address before sending mail

Rated 4 out of 5 stars (32)
54,121 users

Flex Confirm Mail

Confirm mail address and attachments based on flexible rules.

Rated 1 out of 5 stars (1)
8,958 users

Tag Sequence Arranger

Enable you to arrange the tag sequences in their listbox.

Rated 5 out of 5 stars (3)
2,518 users

Address Move Button

Allow you to add a Address Move Button to mail compose window.

Not yet rated
3,985 users

IMAP Quota (Free Space)

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

Not yet rated
1,942 users

Secure Addressing

This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.

Rated 4 out of 5 stars (17)
2,564 users

Any Confirmation Message before Send

You can set Any Confirmation Message before Send.

Rated 4 out of 5 stars (3)
1,034 users

Auto Address Cleaner

Removes comment, display name automatically from addresses before sending mail.

Rated 4 out of 5 stars (49)
17,687 users

Profile Buttons No Restart

A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.

Rated 2 out of 5 stars (3)
1,181 users

Archive This

Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.

Rated 5 out of 5 stars (24)
1,848 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)
1,838 users

bulkPaste_recipient

May be send an email to have your work routine.
Mail Settings (To / Cc / Bcc / Return / Subject) etc.

This extension is by creating a simple formatting, you can complete the address written in two steps

Rated 4 out of 5 stars (2)
1,158 users

Disable DragAndDrop (Thunderbird)

A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.

Rated 5 out of 5 stars (9)
2,220 users

Report Spam

Report spam is a Thunderbird plugging to report antispam errors. A new button is added to header tool bar in order to signal a message as a false positive (a ham that is tagged as spam) or a false negative (a spam not tagged as spam).

Rated 2 out of 5 stars (7)
2,618 users

Address Close Button

Adds a Address Close Button to mail compose window.

Rated 5 out of 5 stars (25)
13,254 users