Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
Import and export calendar files in vCalendar (.vcs) format
Adds support for 3e calendars
About:about Button No Restart
A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.
Baby cats and kittens in the about box...
A Mozilla Messaging addon to assist in product support.
Export/Import Account Settings.....
Simply add your signature manually (right mouse click) to your emails
Add-on Preferences Button No Restart
Displays a menu that allows you to open the option/preference window for any add-on that has one.
Adds Tools menu item to check Add-ons for updates. Includes toolbar icon.
Add-ons Button No Restart
Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.
Add more items to Add-ons Manager context menu.
Addons Manager Hilite No Restart
Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.
Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.
Show more addons recent updates
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。
Adds a Address Close Button to mail compose window.