Folders and Filters

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Filter Manager

Adds a Filters Button, opens Filter Manager

Rated 5 out of 5 stars (5)
1,675 users

QuickArchiver

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)
1,099 users

Start with Inbox

Selects the latest message in the Inbox after start of Thunderbird.

Rated 4 out of 5 stars (18)
1,112 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 (17)
3,223 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 (71)
3,621 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 (8)
1,014 users

Expression Search - NG

Powerful message search:

* Fuzzy search: Sylvia also finds Silvia
* 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 (41)
2,423 users

Search for

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

Rated 5 out of 5 stars (7)
1,081 users

LocalFolders

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)
13,017 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

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

Rated 4 out of 5 stars (25)
1,183 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 (186)
15,315 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)
3,560 users

Mark All Read:WE

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

*Note*
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)
1,001 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)
1,137 users

ImportExportTools NG

Adds tools to import/export messages and folders

Thunderbird v115 Support Available !

Rated 4 out of 5 stars (209)
247,949 users

Full Address Column

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

Rated 5 out of 5 stars (68)
1,393 users

Move messages or yourself

Move messages or jump to folder with a keystroke.

Rated 4 out of 5 stars (17)
270 users

Quick Folder Key Navigation

This extension makes it possible to quickly navigate to a particular folder in the folder pane simply by typing the first few letters of the folder name when the folder pane has focus.

Rated 4 out of 5 stars (14)
935 users

EmailPicky 4 Requires Restart

Grab email addresses from emails from any selected Email Folder and add them to your contacts. (Email Crawler / Email ID Grabber / Bounced email collector) - Thunderbird Plugin
Note: It doesn't create duplicates, but shows as 'xxx messages added'.

Rated 3 out of 5 stars (15)
44 users

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

Rated 4 out of 5 stars (17)
639 users