Add-ons

Manually sort folders by Jonathan Protzenko, Itagaki Fumihiko

This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.

Collector's Note フォルダを自由に並び替えできます。

Quicktext by John Bieling

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Collector's Note 定型文や署名を複数作成できます。

CompactHeader by jmozmoz

Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.

Collector's Note メッセージペインのヘッダーをコンパクトにできます。

XNote++ by opto

Persistent sticky notes associated to emails. You can fulltext search with constraints/email them/print/bookmark/copy to clipboard.

If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.

Tag Toolbar / Tag Popup by H.Ogi

Add toolbar for toggling tags.

Collector's Note タグを簡単に付けられるバーを表示させます。

Toolbar Buttons by Button Guy

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Collector's Note ツールバーに色々なボタンを追加できます。 「迷惑メールを空にする」「ゴミ箱を空にする」など。

Thunderbird Message Filter Import/Export by Wind Li

Thunderbird Message Filter Import/Export is a thunderbird/mozilla extension to import/export message filters.

Collector's Note メッセージフィルターをインポート・エクスポートできます。

Contacts Sidebar by Jeroen Peters

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Collector's Note アドレス帳パネルを追加できます。 2010/1/13　TB3未対応

QuoteCollapse by Michael J Gruber

Collapse and expand quotes.

Contributors: Stanimir Stamenkov, Dillinger

Collector's Note 引用レベルでテキスト色と背景色を変えられます。

SmartTemplate by gaby_hy

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.

Collector's Note 返信・転送時の文中のヘッダーなどのテンプレートを変えられます。

XNote by Pierre-André Galmes, nmweb, others

Persistent sticky notes for Thunderbird associated to mails...

Collector's Note メールに付箋を貼ることができます。 2010/1/13　TB3未対応

BorderColors by Mike Krieger

Color-codes compose windows depending the active e-mail identity, to avoid sending messages from the wrong account.

Collector's Note メール作成画面をアカウントごとに色枠を付けられます。

MarkSubfolders by gaby_hy

This Add-on provide ability to mark as read subfolders.

Collector's Note サブフォルダをまとめて既読にできます。