Add-ons
Message and News Reading
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XNote++
Persistent sticky notes for Thunderbird associated to mails. You can email them/print/copy to clipboard.
If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.19,879 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.
25,660 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.195,939 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: Thunderbird160,869 users -
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).82,619 users -
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).40,677 users -
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.25,660 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.23,600 users
Top Rated See all »
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Make the “Received” column in IMAP folders show when messages were actually received.251 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.3,026 users -
Closes a Mozilla Thunderbird tab when pressing the Escape key.150 users
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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!17,335 users
Recently Added See all »
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Open Great Internet Mersenne Prime Search (GIMPS) 2ᴾ-1 exponent numbers.2 users -
Open GitHub, GitLab, Bitbucket, Bugzilla and Jira bug/issue numbers.3 users -
Open selected URIs, URLs, email addresses, telephone numbers and links.5 users -
Archive messages that are older than 3 months in inbox and sent folder2 users
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Export your emails from Thunderbird to Joplin. To use the add-on, a running Joplin application is required (https://joplinapp.org).
Please note that this is not an official product of the Joplin team, but rather developed by a private person.99 users -
This extension automatically detects Zivver messages and decrypts them on-the-fly using the Zivver API. Messages are decrypted only when actively displayed by the user and are never stored locally.6 users
See all 427 extensions in Message and News Reading »
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