Folders and Filters


Mark Junk Read

Automatically marks all messages in junk folders as read.

Rated 5 out of 5 stars (7)
1,288 users

folderplus Requires Restart

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)
793 users

Collapsed Unread Requires Restart

Shows unread email count for collapsed folders even if the unread mails are in subfolders.

Rated 3 out of 5 stars (5)
686 users

Toggle Folderpane View Requires Restart

This addon provides a toolbar button for toggling between the "All" and "Favorite" views in the folderpane.

Rated 5 out of 5 stars (1)
680 users

Folder Levels Requires Restart

Rank your email folders by how much you care about them, and hide the ones you don't need right now.

Rated 4 out of 5 stars (6)
632 users

SavedSearchThemAll Requires Restart

A Thunderbird extension to automagically extend all the saved searches to all the foders!

Rated 4 out of 5 stars (2)
567 users

TotalQuickFilter Requires Restart

Reboot the QuickFilter bar.

Rated 3 out of 5 stars (6)
497 users

Sieve Out of Office New Requires Restart

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.

Rated 3 out of 5 stars (1)
439 users

IMAP Draft Unread Requires Restart

This is a Thunderbird addon that lets you customize the behavior of the IMAP draft unread messages. No more new mail notifications for your drafts!!

Rated 3 out of 5 stars (1)
402 users

Tidybird Requires Restart

Organize email into folders quickly and easily.

Rated 3 out of 5 stars (5)
400 users

SavedSearchInSubFolders Requires Restart

This addon allows virtual folders (saved searches) to automatically process all subfolders of their selected target folders.
The search targets are updated automatically whenever a new folder is added, or a virtual folder is updated.

Rated 4 out of 5 stars (3)
391 users

Feedly Synchronizer

Synchronize your favorite RSS sources with Thundebird and Feedly

Rated 3 out of 5 stars (9)
358 users

Mark GMail Read

Automatically marks all messages in the [Gmail] folder and all subfolders as read.

Rated 3 out of 5 stars (5)
318 users

SmartFilters Requires Restart

Tired of writing a lot of filters? Install SmartFilters now to organise your mailbox automatically. It can sort out your mailing lists and robot emails.

Rated 3 out of 5 stars (3)
217 users

QuickFilter Watched Threads Requires Restart

Adds a filter to show only watched threads

Not yet rated
186 users


Adds personal filters to quickfilter toolbar

Rated 4 out of 5 stars (1)
155 users


This addon extends filtering to read messages downloaded during an IMAP synchronization (bug 308148)

Not yet rated
150 users


This addon adds an entry in the right-click menu which re-threads selected messages together (groups selected messages into the same thread)". This is done by _modifying_ messages; the author of the addon declines any responsibility for data loss.

Rated 3 out of 5 stars (4)
107 users

CapsKiller Requires Restart

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

Rated 5 out of 5 stars (2)
84 users

Gravatars Requires Restart

Show a column with the Gravatar-picture and sender-name in email folders.

Not yet rated
76 users