Add-ons
Message and News Reading
Sort by:
ThreadKey
Strike the 'T' key to sort messages by thread, strike the 'U' key to sort them unthreaded again, just like the 'G' key switches to Grouped By Sort view.
Remove Duplicate Messages
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
ExQuilla for Exchange
Thunderbird email accounts connecting to Microsoft Exchange Web Services.
Folder Pane View Switcher
Folder view arrows; switch to "All Folders" view when hovering during drag & drop; allow user to select which views are enabled or tied to the view arrows.
Nostalgy
Requires Restart
Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.
CompactHeader
Requires Restart
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.
MailHops
MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.
LocalFolders
Add as many local folders as you want to.
New folders can reside on mapped or network locations.
New 102 version released !
Folder Account
Lets you associate user accounts and identities with specific folders. Great for multiple users who share TB, or for managing mailing lists.
ConfirmFolderMove
Requires Restart
Introduces a preference that allows users to be prompted before moving folders.
RemindIt
Help in reminding mails to be answer or sent again. Choose a reminder date for each received or send message that are highlighted in the message list, depending on their status (expired, soon to exprire, to be reminded). Sending a reminder is eased.
Compact Headers
tbkeys-lite
Custom Thunderbird keybindings
This add-on is a follow on to Keyconfig which is no longer supported.
It is aimed at power users. Please look at the GitHub site before leaving a one star review about documentation or usability.
Signature sync for Gmail
This extension allows you to automatically use your signature from Gmail accounts in Thunderbird. No longer need to maintain two separated signatures!
FolderFlags
Owl for Exchange
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).
Phoenity Buttons
Toggle Headers
Allows to switch between the normal header view and viewing all headers when viewing a message by using a keyboard shortcut (Ctrl+H).
QuoteCollapse
Requires Restart
Collapse and expand quotes.
Contributors: Stanimir Stamenkov, Dillinger
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