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Provider for CalDAV & CardDAV
Requires Restart
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, Google, ownCloud, Nextcloud, Radicale and many more.
Provider for Exchange ActiveSync
Requires Restart
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync
DeepDark for Thunderbird
Requires Restart
Dark mode for Thunderbird UI
Quicktext
Requires Restart
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Display Mail User Agent T
Requires Restart
Displays the mail program with which the selected mail was written
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.
*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
Restart Button
Edit Email Subject
Requires Restart
Edit Email Subject for Thunderbird
Nostalgy
Requires Restart
Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.
TbSync
Requires Restart
Featured
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.
Undigestify
Requires Restart
Undigestify RFC 1153, ListStar, and Yahoo digest messages
Remote Content By Folder
Requires Restart
Decide whether to allow or block remote content in messages by comparing the names of the folders in which they are located to configured regular expressions.
IMAP Received Date
Requires Restart
Make the “Received” column in IMAP folders show when messages were actually received.
FileLink Provider for Box
Uploads your large attachments to your Box instead of sending them by email.
FileLink Provider for Dropbox
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.
LookOut (fix version)
Requires Restart
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).
Support: Thunderbird and SeaMonkey
DevTools Button
Thunderbird Conversations
Requires Restart
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
Compact Headers
Adds a Compact Headers button, limits displayed headers to 2 lines
FrameWhite
Enjoy white without eye fatigue!
FrameWhite is applicable/available in default theme!
send a gift to a friend Eunjo.
To create your own collections, you must have a Mozilla Add-ons account.
