Add-ons
Most Popular See all »
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Adds tools to import/export messages and folders
EML, MBOX, HTML PDF , Plaintext Support and CSV support with indexes and file naming.187,283 users -
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!11,448 users -
Add as many local folders as you want to.
New folders can reside on mapped or network locations.9,727 users -
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.9,698 users -
Adds a full sender and recipient e-mail column to message list panel.4,252 users -
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.2,783 users
Top Rated See all »
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Makes search results sort by "date" instead of "relevance" by default.716 users -
A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.38 users -
Context menu on message allowing quick filtering based on email/sender or domain1,094 users -
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!11,448 users -
Provides keyboard shortcuts for filing messages into nine configurable "favorite" folders using user-defined keys. Also provides a simple filter system with a keyboard shortcut to file the currently selected message(s) into the correct folder.33 users -
Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.412 users
Recently Added See all »
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Adds context menu options to run all filters on the selected folder or set of messages.20 users
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PrioMailbox helps you prioritize your Thunderbird inbox by automatically tagging and highlighting important emails. Trainable tags organize your inbox efficiently, saving time and reducing distractions, with a simple, user-friendly interface.52 users -
This extension allows you to automatically copy email messages from one folder to another with all subfolders and perform a merge of the contents. It is a helpful tool for users who want to back up or sync folders but avoid duplicating emails.155 users -
[Alpha Testing] Thunderbird send allows sending and receiving end to end encrypted files.
This add-on is undergoing testing and not yet available to the general public.23 users -
Send a Pushover notification when a new email arrives.
Plugin requires a Pushover account.
This plugin is not affiliated with or endorsed by Pushover. It was created independently. Use at your own risk.19 users
See all 133 extensions in Folders and Filters »
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