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.276,642 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!14,691 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.14,241 users -
Add as many local folders as you want to.
New folders can reside on mapped or network locations.12,824 users -
Adds a full sender and recipient e-mail column to message list panel.5,848 users -
Disable drag and drop on the folder tree in order to prevent unintended folder movement.4,042 users
Top Rated See all »
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Makes search results sort by "date" instead of "relevance" by default.820 users -
A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.57 users -
Context menu on message allowing quick filtering based on email/sender or domain1,704 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!14,691 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.39 users -
Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.463 users
Recently Added See all »
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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.5 users -
A basic Google Drive Quick Access extension that adds a Google Drive icon and allows you to quickly access it116 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)42 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.net55 users -
Press F9, or your favourite shortcut, to toggle the visibility of the Folder Pane91 users -
Sender-Recipient Exporter is a Thunderbird add-on that extracts sender email addresses, sender domains, and recipient email addresses from messages in the currently selected mail folder. The data is exported as a CSV file for easy analysis.146 users
See all 138 extensions in Folders and Filters »
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