Up & Coming Extensions
Attachemnt Encoding Detector Requires Restart
To detect file encoding of attachments, this forces to Thunderbird to use an encoding detector for a specific locale instead of the generic one.
Report Spam Requires Restart
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).
LookOut (fix version) Requires Restart
LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Support: Thunderbird and SeaMonkey
Custom Address Sidebar Requires Restart
Allow you to help address sidebar more useful.
Address Move Button Requires Restart
Allow you to add a Address Move Button to mail compose window.
Copy Pure Text Requires Restart
Allows to copy selected text as plain text by adding a 'Copy as Text' menu item to context menu.
bulkPaste_recipient Requires Restart
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
ALL To CC BCC Requires Restart
CALDAV - Search/Subscribe Requires Restart
Add CalDAV search & subscribe feature to Lightning
MarkSubfolders New Requires Restart
Mark all read for Subfolders
It's the same like MarkSubfolders but it's compatible with Firefox 4 and later.
Address Close Button Requires Restart
Adds a Address Close Button to mail compose window.
Dorando keyconfig Requires Restart
A modified Dorando's tool to rebind keys in Mozilla apps. It is designed to be a drop-in replacement, and will keep your old settings. (See details for upgrade instructions.)
Address bulk copy （アドレス一括コピー） Requires Restart
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。
Auto Address Cleaner Requires Restart
Removes comment, display name automatically from addresses before sending mail.
Keyword Highlight Requires Restart
Keywordhighlight changes color/size/weight of your favorite keywords...
Secure Addressing Requires Restart
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.
Send Later Button Requires Restart
A simple button to invoke the (already existing) send later functions.
Configures B-Trust security devices, imports B-Trust certification chain.
Display Quota Requires Restart
This extension will display the current status of your IMAP quota in thunderbird's statusbar and will warn you when you reach a configurable limit...