Folders and Filters
IMAP Received Date Requires Restart
Make the “Received” column in IMAP folders show when messages were actually received.
Folder Pane View Switcher Requires Restart
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.
Archive This Requires Restart
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.
attachment column in search result list Requires Restart
Show the column for attachments in search results list. General search (edit-> search -> search emails) does not show by default if a message has attachments.
This addon adds this column, just as in a normal folder view.
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.
QuickFilter Watched Threads Requires Restart
Adds a filter to show only watched threads
QuickFolders (Tabbed Folders) Requires Restart Featured
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!
This is an initial attempt to revive part of "Mark All Read Button" by Mark S Baines.
This Add-on uses the Thunderbird WebExtension APIs. It adds a button on the Mail Toolbar that marks unread messages on the current displayed folder as read.
Hide Local Folders Requires Restart
Removes the "Local Folders" entry from the folder pane.
Move messages or jump to folder with a keystroke.
Folder Filters Button Requires Restart
Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.
quickFilters Requires Restart
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.
New Folder Filters Button Requires Restart
Toolbar button to execute Run Filters on Folders from Tools menu
(update of Folder Filters Button Add-on by Chris Malek to Thunderbird 68)
Resubmit Requires Restart
(Re)submit multiple messages to a predefined recipient(s)
ShowFolderSize-T Requires Restart
Shows folders size on disk.
This add-on is a fork of ShowFolderSIze.
Mailing list filter Requires Restart
Mail filter search term using mailing lists (and not whole addressbooks).
Copy Folder mod Requires Restart
I corresponded to thunderbird 60 or later
Hide Email Folders Requires Restart
Hide the "Email Folders" entry from the folder pane. This only works for Unified folder view. With thanks to "Alex Cabal" for his "Hide Local Folders" extension.
DetachAttachment - Attachment clipper, Extractor Requires Restart
This addon provides functionality of bulk delete attachments of selected messages.
Delete-command is added to the messages' context menu.
Flat Folder Tree (updated) Requires Restart
Flat Folder Tree enables you to selectively breakout sub-folders under intermediate folders in the folder pane view. This is an updated version of the existing addon, now compatible with Thunderbird 60.