Miscellaneous

Subscribe

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)
771 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)
1,080 users

Allow Local Addresses

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

Rated 3 out of 5 stars (4)
895 users

Always Default Client No Restart

Makes the application to the default client on every startup.

Not yet rated
12 users

Always HTML

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

Rated 5 out of 5 stars (5)
1,639 users

AMBER A.I.

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

Not yet rated
2 users

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)
274 users

Any Confirmation Message before Send

You can set Any Confirmation Message before Send.

Rated 4 out of 5 stars (3)
707 users

arpitgupta31 (1) No Restart

language converter

Not yet rated
2 users

AttachExtraTools

This extension gives more options and tools to attach files from compose window.

Rated 5 out of 5 stars (3)
945 users

Attachment Sizes

Ability to see attachment sizes ...

Rated 4 out of 5 stars (56)
2,788 users

Auto Compress File

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

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

Auto Resize Image

Resizer for inline and attachment images (JPEG, PNG, BMP and GIF image formats).
All platforms are supported (Windows, Linux and Macintosh).

Rated 4 out of 5 stars (20)
12,966 users

Auto Resize JPEG

Resizer for inline and attachment images (only JPEG format).
For Windows only.

Rated 3 out of 5 stars (39)
423 users

Auto Save Drafts Folders

Allows auto saved drafts to be stored in a separate folder from purposely saved drafts.

Thunderbird 31: Use v0.3.0b1 from https://addons.mozilla.org/en-US/thunderbird/addon/auto-save-drafts-folders/versions/

Rated 5 out of 5 stars (9)
890 users

AutoConfiguration Hook

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

Not yet rated
4,542 users

AutoCopy

Select text and it's automatically copied to the clipboard. Also pastes on middle click.

Rated 4 out of 5 stars (521)
25,553 users

AutoCopy 2

Copies selected text to the clipboard automatically.

Rated 5 out of 5 stars (56)
18,455 users

BccInfo

Send any additional information to your BCC recipient.

Rated 2 out of 5 stars (2)
79 users

Becky! Import

Provides the ability to import messages, address book, filters and account settings from Becky!, an email client used in Japan.

Not yet rated
173 users