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.246,835 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.14,292 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!12,849 users -
Add as many local folders as you want to.
New folders can reside on mapped or network locations.6,523 users -
Adds a full sender and recipient e-mail column to message list panel.5,430 users -
Disable drag and drop on the folder tree in order to prevent unintended folder movement.3,512 users
Top Rated See all »
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Makes search results sort by "date" instead of "relevance" by default.733 users -
A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.54 users -
Context menu on message allowing quick filtering based on email/sender or domain1,555 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!12,849 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.37 users -
Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.438 users
Recently Added See all »
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Tired of having to hunt down which folder you filed a thread in after doing it 20 times? MROF does it for you!3 users -
This Extension provides a framework for AI-powered email analysis. It processes incoming emails, sends them to a language model of your choice, and applies tags. This allows for sophisticated email classification and sorting.10 users -
フィッシングメールの対策として
主に、メール内のリンク先のドメインをチェックし、
安全性を確認する。
Check the domain of the link in the email.4 users -
A basic Google Drive Quick Access extension that adds a Google Drive icon and allows you to quickly access it172 users -
This add-on (CrossBorderScam-Canceler) filters fraudulent emails by focusing on the location of the received email and analyzing the header information of the opponent's email and the links in the email body.(view in English, Japanese or German)59 users -
[IMPORTANT] This is a pre-release version Thunderbird Send. We will gradually open it for beta testing.
This add-on is built and maintained by your friends at Thunderbird.
Stay tuned to updates on thunderbird.net53 users
See all 139 extensions in Folders and Filters »
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