Add-ons
My Favorite Add-ons
by Dopamine97
About this Collection
My favorite add-ons
32 Add-ons in this Collection
ImportExportTools
by Paolo "Kaosmos"
7,758 users
Adds some tools to import and export folders and messages
Provider for Google Calendar
by Philipp Kewisch
182,441 users
Allows bidirectional access to Google Calendar
TT DeepDark
Manually sort folders
by Jonathan Protzenko, Itagaki Fumihiko
14,286 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.
gContactSync
by Josh Geenen
14,776 users
Synchronizes contacts & groups between Thunderbird and Google Contacts.
Send Later
by Jonathan Kamens, Jonathan Perry-Houts
98,772 users
True "Send Later" functionality to schedule the time for sending an email.
Remove Duplicate Messages
by Eyal Rozenberg
91,781 users
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
MinimizeToTray revived
TbSync
by John Bieling
71,019 users
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.
Thunderbird Conversations
by Jonathan Protzenko, Standard8
25,499 users
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
CompactHeader
by jmozmoz
15,645 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.
MEGAbird
Lightning Calendar Tabs
by jlx84
27,670 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
14,349 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!
Addressbooks Synchronizer
by Günter Gersdorf
23,868 users
Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers
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