Add-ons
Thunderbird
by schnittsche2001
About this Collection
My Thunderbird Essentials
24 Add-ons in this Collection
Provider for Google Calendar
by Philipp Kewisch
195,984 users
Allows bidirectional access to Google Calendar
gContactSync
by Josh Geenen
16,495 users
Synchronizes contacts & groups between Thunderbird and Google Contacts.
Quicktext
by John Bieling
125,754 users
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Remove Duplicate Messages
by Eyal Rozenberg
93,975 users
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Signature Switch
by Achim Seufert
48,993 users
Switch the signature on/off or choose a new one from your predefined set.
QuickFolders (Tabbed Folders)
by Realraven (Axel Grude), Alexander Malfait
15,315 users
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!
Stationery
by Arivald
1,203 users
Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!
Toolbar Buttons
by Button Guy
381 users
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
MinimizeToTray
by Mook, Brad Peterson
0 users
Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...
Quote Colors
by Malte Ruecker
143 users
Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.
Duplicate Contact Manager
by Marian Steinbach, Copelnug
135 users
Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.
ThunderBirthDay
by ingomueller.net
249 users
Display birthdays from the Thunderbird addressbooks as events in Lightning.
Contacts Sidebar
by Jeroen Peters
83 users
Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.
Visit my Contacts Sidebar site for recent versions and news.
Extra Folder Columns
by Joey Minta, Thunderbird Development Team
126 users
This extension is for those TB3 users who want the multiple-columns view that TB2 allowed
IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.
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