Add-ons
Folders and Filters
Sort by:
Theme Font & Size Changer for ThunderBird
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
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.
Collapsed Unread
Requires Restart
Shows unread email count for collapsed folders even if the unread mails are in subfolders.
SavedSearchThemAll
Requires Restart
A Thunderbird extension to automagically extend all the saved searches to all the foders!
EmailPicky 4
Requires Restart
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'.
Mark All Read:WE
Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.
*Note*
This addon works much better in newer versions of Thunderbird (v91). Thunderbird's WebAPI's were very patchy in older versions.
EuropeanMX Spam Reporter
Train your EuropeanMX filter by reporting unrecognized spam back to us.
Flat Folder Tree (updated)
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.
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.
Move Folder (context-menu)
Adds the "Move to" menu entry to the folders panel context menu, allowing to move a Local folder (and its content) to another.
This feature is similar to the native one within message(s) context menu ("Move To"), but it applies to the folder tree.
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.
Rethread
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.
mozCleaner
Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.
Count Filters
Requires Restart
This add-on provides various search filters couting values, such as total number of recipients, or number of lines, words,links in body message.
Protected E-mail Addresses
Requires Restart
Generates protected and disposable e-mail addresses and filters junk mail sent to invalid addresses.
QuickFilterPlus
OpenFolder
This add-on makes it easy to open folders on a file server.
In order to use the add-on, you need to install two things: the add-on and the linked app.
You can download the linked app from the following website.
https://openfolder.net/
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.
To create your own collections, you must have a Mozilla Add-ons account.
