Folders and Filters

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Tag Sequence Arranger

Enable you to arrange the tag sequences in their listbox.

Rated 5 out of 5 stars (3)
1,592 users

Color Folders

Color your Folder Treeview Icons!

Rated 4 out of 5 stars (123)
26,223 users

Awesome Auto Archive No Restart

Automatically do Archive/Copy/Delete/Move actions based on user defined rules

Rated 4 out of 5 stars (19)
5,420 users

EmailPicky 4

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

Rated 3 out of 5 stars (4)
2,661 users

Reply Monitor

Keep track of your emails and replies (Lightning is required).
Note: the name of this add-on has been changed to Reply Monitor because the previous name is a registered trademark.

Rated 4 out of 5 stars (19)
1,562 users

Hide Local Folders

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

Rated 4 out of 5 stars (19)
5,911 users

Expression Search / GMailUI

Powerful message searching through expressions. Type "from:fred to:tom" to see all messages from Fred to Tom in the current view. Support 'regular expressions' and 'click to search'.

Rated 4 out of 5 stars (69)
7,925 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 (107)
24,546 users

Search Results Sort By Date Not Relevance

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

Rated 5 out of 5 stars (14)
2,777 users

Folder Pane View Switcher

Add arrow buttons for rotating among folder views, and switch to "All Folders" view when hovering over the folder pane during drag & drop.

Rated 5 out of 5 stars (36)
10,448 users

quickFilters

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 5 out of 5 stars (18)
10,061 users

IMAP Received Date

Make the “Received” column in IMAP folders show when messages were actually received.

Rated 5 out of 5 stars (6)
1,505 users

Archive This

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.

Rated 5 out of 5 stars (23)
1,662 users

Empty 'em

Empty all your Trash and Junk folders in one fell swoop!

Rated 3 out of 5 stars (27)
1,695 users

QuickArchiver

Clean up your inbox! While moving a mail the first time, QuickArchiver remembers the destination folder and enables you to move further mails with a single click. You can apply rules by sender, recipient and subject.

Rated 4 out of 5 stars (7)
1,110 users

mozCleaner No Restart

Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.

Rated 2 out of 5 stars (5)
2,200 users

Silent Block

Minimum and fast URL blocker by regular expression.

Rated 5 out of 5 stars (18)
10,267 users

folderplus

This extension adds some basic missing features about folders.
Move mails to their conversation folder. Navigate to folder with new keyboard shortcuts.

Rated 3 out of 5 stars (5)
606 users

Sieve Out of Office New

A Thunderbird plugin to allow one to set out of office messages and / or redirect emails to colleagues via a easy to use pop-up dialog.

This Out of Office plugin requires that your POP3 / IMAP server also have a sieve service.

Not yet rated
203 users

CapsKiller

Caps Killer is a protection against newbies using caps in their mails.

Rated 5 out of 5 stars (2)
74 users