Add-ons
Folders and Filters
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ImportExportTools NG
Adds tools to import/export messages and folders
EML, MBOX, HTML PDF , Plaintext Support and CSV support with indexes and file naming.
QuickFolders (Tabbed Folders)
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
quickFilters
Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.
By popular demand, supports SORTING filters alphabetically.
LocalFolders
Add as many local folders as you want to.
New folders can reside on mapped or network locations.
Full Address Column
Adds a full sender and recipient e-mail column to message list panel.
Disable DragAndDrop (New)
Disable drag and drop on the folder tree in order to prevent unintended folder movement.
Nostalgy++/ Manage, search and archive emails
Shortcuts to move/copy/archive messages, with folder name completion.
Rules for moving messages to folders.
Automatic rules by statistical observation/ by folder of conversation/thread.
Search dialog in a tab, with message display /folder tree.
Expression (Power) Message/Calendar Search - NG
* Mail / calendar search
* Fuzzy search: Bucher also finds Bücher
* Visual search query builder
* Search window as a tab
* New search and filter criteria: reply-to, bcc, to-only, filename, xnote, date range, time, etc
* to A but not to B + more
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.
NTFNTF
NTFNTF: Notify on This Folder Not That Folder. Choose to enable or disable notifications on a per-folder basis.
Filter Manager
Colored Folders
Requires Restart
Add colors to your folders in Thunderbird!
Must-have for better organisation + intuitive and speedy workfow...
This is project "Color Folders" (originally by Fisheater), corrected, resurrected, restaurated, extended and republished.
Duplication Remover
A simple tool to remove duplicate emails from folders. It uses the inbuilt headerMessageId that is generated by every email when created and confirms that any duplicate email has the EXACT same size. Open the context menu on any folder to run!
Search for
Context menu on message allowing quick filtering based on email/sender or domain
Startpoint Manager
This Add-on allows you to select the folder which shall be displayed after start of Thunderbird.
Hide Local Folders
Requires Restart
Removes the "Local Folders" entry from the folder pane.
quicker quicksearch
make searching for emails faster:
Automatically insert into the quickfilter box: the author, subject or the email domain of the selected email.
No need to retype the address, if you want to search for all emails of this author.
QuickArchiver
Support your Getting Things Done (GTD) workflow: QuickArchiver remembers destination folders as you move emails. File matching messages with one click or a keyboard shortcut – for a tidy inbox and less time spent sorting mail.
GMail Labels
Shows GMail labels in each message's headers panel. When using Thunderbird with a Gmail account, it is not possible to guess which Gmail labels a message was applied (and in which folders it can be found). This extension provides this information
Mark All Read:WE
Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.
*Note*
Version 2: Requires Thunderbird v128+
Version 1: Works best with Thunderbird v91+
To create your own collections, you must have a Mozilla Add-ons account.
