Folders and Filters


ImportExportTools NG

Adds tools to import/export messages and folders

Thunderbird v115 Support Available !
A little bumpy, but it will settle...

Rated 4 out of 5 stars (197)
249,081 users

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!

Rated 5 out of 5 stars (185)
16,438 users


Add as many local folders as you want to.
New folders can reside on mapped or network locations.

New 102 version released !

Rated 4 out of 5 stars (38)
13,473 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.

Rated 4 out of 5 stars (74)
12,507 users

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.

Rated 4 out of 5 stars (151)
4,754 users

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.

Rated 4 out of 5 stars (68)
3,764 users

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.

Rated 5 out of 5 stars (70)
3,639 users

Disable DragAndDrop (for Thunderbird 68+)

Disable drag and drop on the folder tree in order to prevent unintended folder movement.

Rated 5 out of 5 stars (13)
2,974 users

Hide Local Folders Requires Restart

Removes the "Local Folders" entry from the folder pane.

Rated 4 out of 5 stars (46)
2,694 users

Expression Search - NG

Powerful message search:

* Move the search box to save screen.
* Visual search query builder

* Type "f:fred fn:Vortrag" for messages from Fred, attachment name contains 'Vortrag'
* Type "t:(oo -pp)" for messages to oo, but not pp.

Rated 4 out of 5 stars (40)
2,385 users

Full Address Column

Adds a full sender and recipient e-mail column to message list panel.

Rated 5 out of 5 stars (63)
1,890 users

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.

Rated 5 out of 5 stars (7)
1,654 users

Filter Manager

Adds a Filters Button, opens Filter Manager

Rated 5 out of 5 stars (4)
1,463 users

Search Results Sort By Date Not Relevance Requires Restart

Makes search results sort by "date" instead of "relevance" by default.

Rated 5 out of 5 stars (30)
1,310 users

Filter on Folder Button

new in version 1.5.1:
code optimised for Thunderbird version >= 115

new in version 1.5:
code changed to popup menu

new menu button with filter functions, with hotkeys, theme support, more languages

Rated 4 out of 5 stars (25)
1,211 users


This Extension implements the ManageSieve protocol for securely managing Sieve Script on a remote IMAP server...

Rated 4 out of 5 stars (49)
1,198 users


Get things done and clean up your inbox! When you move an e-mail the first time, QuickArchiver remembers the destination folder and lets you move more e-mails with a single click. You can apply rules by sender, recipient, and subject.

Rated 4 out of 5 stars (30)
1,107 users

Search for

Context menu on message allowing quick filtering based on email/sender or domain

Rated 5 out of 5 stars (7)
1,030 users

Mark All Read:WE

Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.

This addon works much better in newer versions of Thunderbird (v91). Thunderbird's WebAPI's were very patchy in older versions.

Rated 3 out of 5 stars (19)
1,020 users

New Folder Filters Button

Toolbar button to execute Run Filters on Folders from Tools menu
(based on Folder Filters Button Add-on for Thunderbird 68 by Chris Malek)

Rated 5 out of 5 stars (7)
1,005 users