Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
Adds some tools to import and export folders and messages
Provider for Google Calendar 需要重新啟動
Allows bidirectional access to Google Calendar
Manually sort folders 需要重新啟動
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.
LookOut (fix version) 需要重新啟動
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
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Synchronizes contacts & groups between Thunderbird and Google Contacts.
Add symbol in header plane to switch between compact and expanded view. New beta versions for the current beta of Thunderbird 68.0 can be found at https://github.com/jmozmoz/compactheader/
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
延期發信 需要重新啟動 精選
Signature Switch 需要重新啟動 精選
Switch the signature on/off or choose a new one from your predefined set.
Mail Merge 需要重新啟動
Create and Save or Send Multiple Individual and Personalized Messages from a Draft
A new Thunderbird address book based on the CardDAV and vCard standards.
Mail Redirect 需要重新啟動
允許重新導向 (亦稱為 "bounce") 郵件訊息至其他收件者。
Display Quota 需要重新啟動
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...
Addressbooks Synchronizer 需要重新啟動
Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers
Adds some options to print messages and addressbooks
Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!