Add-ons
Message and News Reading
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XNote++
Persistent sticky notes for Thunderbird associated to mails.
In TB 78, you can define the note position in the settings. If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.18,226 users -
Thunderbird Conversations
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
23,212 users
Most Popular See all »
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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.190,669 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).
Support: Thunderbird129,294 users -
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).80,737 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.59,580 users -
Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird35,322 users -
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.23,212 users
Top Rated See all »
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Make the “Received” column in IMAP folders show when messages were actually received.2,242 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!20,162 users -
Closes a Mozilla Thunderbird tab when pressing the Escape key.374 users -
No Message Pane Sort prevents accidental resorting of the message pane by disabling mouse button clicks on the column headers, thus, locking the sorting order of your emails.
It is still possible to sort messages by ctrl-clicking the header.2,468 users
Recently Added See all »
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Raise X11 urgent flag if new mail is received.
This addon listens for incoming mails and causes the Thunderbird window to draw attention.4 users -
Addons to edit and save eml file
Available on Github with MIT Licence :
https://github.com/pgpgeek/thunderbird-addon-eml-editor1 user -
The best Translator for your new Thunderbird 78!
Available also for your Firefox web browser.56 users -
Replace URLs which have been rewritten by Office 365 Advanced Threat Protection with the original URL.6 users -
Displays spam scores according to mail headers. Supports spam/ham score headers of Rspamd and SpamAssassin. The add-on adds a column with the overall spam score to the mail list view and shows details of any matched spam/ham rule.69 users -
Disables selection of the next message when deleting.
A quick port of squib's "Deselect on Delete" for thundebird 78.56 users
See all 394 extensions in Message and News Reading »
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