Add-ons
Favorites
by Destroy666
About this Collection
My favorite add-ons
10 Add-ons in this Collection
Provider for Google Calendar
by Philipp Kewisch
172,816 users
Allows bidirectional access to Google Calendar
CardBook
Manually sort folders
by Jonathan Protzenko, Itagaki Fumihiko
9,916 users
This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.
Send Later
by Jonathan Kamens, Jonathan Perry-Houts
106,718 users
True "Send Later" functionality to schedule the time for sending an email.
Remove Duplicate Messages
by Eyal Rozenberg
93,624 users
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Thunderbird Conversations
by Jonathan Protzenko, Standard8
Featured
23,984 users
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
FiltaQuilla
by R Kent James, Realraven (Axel Grude)
15,677 users
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.
Attach from Clipboard
by Michael Ganss
5,966 users
Create file attachments directly from the system clipboard.
Sender Frequency
Minimize on Close
by rsjtdrjgfuzkfg
39,815 users
Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.
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