Folders and Filters

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QuickArchiver Requires Restart

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 (14)
868 users

Mark Junk Read

Automatically marks all messages in junk folders as read.

Rated 5 out of 5 stars (7)
831 users

mozCleaner

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

Rated 3 out of 5 stars (6)
790 users

Reply Monitor Requires Restart

**This is NOT COMPATIBLE with Thunderbird 31 or newer versions**
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 (17)
670 users

Toggle Folderpane View Requires Restart

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

Rated 4 out of 5 stars (5)
501 users

Purge Events Plus Requires Restart

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

Rated 4 out of 5 stars (6)
457 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)
446 users

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.

Not yet rated
428 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)
404 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)
375 users

ExtendIMAPFilters

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

Rated 5 out of 5 stars (3)
365 users

Quick Folder Key Navigation Requires Restart

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 5 out of 5 stars (2)
349 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)
339 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 4 out of 5 stars (6)
338 users

Feedly Synchronizer

Synchronize your favorite RSS sources with Thundebird and Feedly

Rated 4 out of 5 stars (13)
305 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)
299 users

TotalQuickFilter Requires Restart

Reboot the QuickFilter bar.

Rated 3 out of 5 stars (8)
238 users

QuickFilter Watched Threads Requires Restart

Adds a filter to show only watched threads

Rated 5 out of 5 stars (1)
224 users

Tidybird Requires Restart

Organize email into folders quickly and easily.

Rated 3 out of 5 stars (5)
218 users

EuropeanMX Spam Reporter Requires Restart

Train your EuropeanMX filter by reporting unrecognized spam or false-positives back to us.

Rated 4 out of 5 stars (2)
206 users