Add-ons
thunderbird
by mohamjon
About this Collection
87 Add-ons in this Collection
Provider for Google Calendar
by Philipp Kewisch
185,282 users
Allows bidirectional access to Google Calendar
gContactSync
by Josh Geenen
14,106 users
Synchronizes contacts & groups between Thunderbird and Google Contacts.
Mail Merge
by Alexander Bergmann
69,185 users
Create and Save or Send Multiple Individual and Personalized Messages from a Draft
Send Later
by Jonathan Kamens, Jonathan Perry-Houts
106,720 users
True "Send Later" functionality to schedule the time for sending an email.
Quicktext
by John Bieling
125,217 users
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
LookOut
by Aron Rubin
969 users
LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
MinimizeToTray revived
Mail Redirect
by Onno Ekker, Pawel Krzesniak
2,432 users
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
Thunderbird Conversations
by Jonathan Protzenko, Standard8
25,561 users
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
Signature Switch
by Achim Seufert
52,897 users
Switch the signature on/off or choose a new one from your predefined set.
CompactHeader
by jmozmoz
15,182 users
Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.
FireTray
by Foudil, Francesco S., others
921 users
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
Lightning Calendar Tabs
by jlx84
26,392 users
Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.
QuickFolders (Tabbed Folders)
by Realraven (Axel Grude), Alexander Malfait
14,913 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!
ReminderFox
by Tom Mutdosch, Daniel Lee, others
2,730 users
ReminderFox displays and manages lists of reminders and tasks. ReminderFox uses easy-to-use lists with warnings/alarms to remind you of all your important appointments.
Synchronize ReminderFox with other calendars as well.
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