Folders and Filters

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Color Folders

Color your Folder Treeview Icons!

Rated 4 out of 5 stars (142)
30,038 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 (112)
25,529 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 (26)
12,210 users

Sieve No Restart

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

Rated 4 out of 5 stars (25)
10,767 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)
10,650 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 (75)
8,544 users

Hide Local Folders

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

Rated 4 out of 5 stars (19)
8,359 users

Silent Block No Restart

Minimum and fast URL blocker.

Rated 5 out of 5 stars (16)
7,970 users

Awesome Auto Archive No Restart

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

Rated 4 out of 5 stars (20)
7,359 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
Note: It doesn't create duplicates, but shows as 'xxx messages added'.

Rated 3 out of 5 stars (10)
4,295 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)
3,110 users

Tag Sequence Arranger

Enable you to arrange the tag sequences in their listbox.

Rated 5 out of 5 stars (3)
2,607 users

Search as list

Search results appear as list (as per the "Open email as list" button).
- return to facet view with shift+close [x]
- auto open list view when few results found
- column config./sort/toggle [IMG3&4]
- apply columns to search as list menu [IMG5]

Rated 5 out of 5 stars (22)
2,156 users

IMAP Received Date

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

Rated 5 out of 5 stars (6)
1,889 users

mozCleaner No Restart

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

Rated 2 out of 5 stars (6)
1,887 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 (24)
1,659 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 (20)
1,634 users

Empty 'em

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

Rated 3 out of 5 stars (29)
1,570 users

Purge Events Plus

Purge events from Sunbird and Lightning files and thereby cleanes the calendar

Rated 4 out of 5 stars (9)
1,224 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 (9)
1,146 users