It adds some options to launch easily other profiles and the Profile Manager.
Gmail Buttons 需要重开
Adds message-specific buttons to Thunderbird that are consistent with the way Gmail handles Trash and Spam.
Allows auto saved drafts to be stored in a separate folder from purposely saved drafts.
For work with new versions, use autoconfiguration module https://mozillagpo.sourceforge.io/
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy
Provides ability to create E-mail accounts for specific ISP via the account creation wizard.
Ruler Bar 需要重开
This appends a ruler to the mail composition window.
Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.
Adds a Restart Button, restarts Thunderbird
Adds "Open PATH with Explorer" to the message pane's right-click menu.
Subject Manager 需要重开
Manages subject of composed emails.
Have the option of Thunderbird always using the default sender account or a blank account when composing or replying to messages
Extra Folder Columns 需要重开
This extension is for those TB3 users who want the multiple-columns view that TB2 allowed
IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.
SQLite Manager 需要重开
Manage any SQLite database on your computer.
Year view 需要重开
Year view for calendar.
如果你喜欢完全掌控下载项的各个方面，Download Status Bar 就是你要找的扩展。
This is a add-on for Thunderbird as well as Seamonkey which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.
Extension to manage acls/permissions for shared mailboxes/folders on imap servers.
Quickly get to the latest nightly build of Lightning relevant to the version of Thunderbird and the OS you're on.