Add-ons
Folders and Filters
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Group Favorite Folders
An extension for Thunderbird 115+ (Supernova) that groups and sorts favorites folders in the compact view.
Send then Archive
Automates the process of archiving a message that has been replied to.
Flat Folder Tree Reborn
Requires Restart
Flat Folder Tree Reborn is an update of the Flat Folder Tree add-on, which allows you to selectively promote or breakout sub-folders in the folder tree. Use with IMAP servers where some folders remain collapsed under a special namespace like [Gmail].
Archive old messages
A context menu item to archive all messages than older than a given duration.
GMail Labels
Shows GMail labels in each message's headers panel. When using Thunderbird with a Gmail account, it is not possible to guess which Gmail labels a message was applied (and in which folders it can be found). This extension provides this information
Empty Folder
Adds a context option to mail folders for moving all included messages to trash.
X-Original-To Column
This addon adds a new column called X-Original-To in the message list which shows the original recipient address of the message (the contents of the X-Original-To header). This can be useful for systems with catch-all email addresses.
Hide Email Folders
Hide Email Folders from the Folder pane (Left pane).
Note: This addon only works for Unified pane/folder mode.
Note #2: Please note that this addon only hide email folders and NOT local folders!
Special thanks to John Bieling, C-E and Alex Cabal.
Move Mail Shortcuts
Allows assigning keyboard shortcuts for moving mails to folders and jumping to the folders.
RemindMe
Moves email into Inbox/RemindMe folder, and moves it back into Inbox after chosen time.
SpoofDetection
Diese Erweiterung überprüft ungelesene E-Mails auf Spoofingversuche. Die E-Mails werden mithilfe von fünf unterschiedlichen Tests untersucht um deren Legitimität festzustellen. Die Tests werden einzeln erklärt auf der Einstellungsseite.
Start with Inbox
Selects the latest message in the Inbox after start of Thunderbird.
Mailing list filter
Mail filter search term using mailing lists (and not whole addressbooks).
Folder Colors
Requires Restart
A fork of "Color Folders" (aka "Colored Folders") to support TB 68+. Applies custom colors to the folder tree in Thunderbird.
This add-on is superseded in TB78 by the built-in folder-color changer (in folder > Properties).
Filter Manager
Quick Filter By
A simple extension that sets the Quick Filter based on the selected message fields. You can filter by either selecting "Quick Filter By" in the message list context menu or simply by alt-clicking on the message's sender, recipient or subject text.
Expression Search - NG
Powerful message search:
* Fuzzy search: Sylvia also finds Silvia
* Visual search query builder
* Type "f:fred fn:Vortrag" for messages from Fred, attachment name contains 'Vortrag'
* Type "t:(oo -pp)" for messages to oo, but not pp.
quickfilter-kbd
A simple Thunderbird extension that adds keyboard shortcuts to quick-filter messages with the same sender, subject, or recipient as a selected message.
Auto Mark As Read
Automatically mark incoming messages as read if they are in one of selected folders.
An attempt to revive & enhance 'Mark Junk Read' by Alex Cabal
New Folder Filters Button
Toolbar button to execute Run Filters on Folders from Tools menu
(based on Folder Filters Button Add-on for Thunderbird 68 by Chris Malek)
To create your own collections, you must have a Mozilla Add-ons account.
