Add-ons
Appearance and Customization
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Add-on Compatibility Check
Checks all installed add-ons for compatibility with Thunderbird ESR (yearly updates) and Thunderbird Release (monthly updates).
25,885 users
Most Popular See all »
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Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.26,931 users -
Checks all installed add-ons for compatibility with Thunderbird ESR (yearly updates) and Thunderbird Release (monthly updates).25,885 users -
PrintingTools NG enables many layout and formatting options for printing messages with header borders, sorting, attachment lists etc. PDF output can be auto named and Page options can ease printer settings.
It is your printing toolbox.22,931 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.16,541 users
Top Rated See all »
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Removes the 'Local Folders' entry from the folder pane.
(The folder itself will stay existent.)
(Based on the original work of Alex Cabal.)581 users -
Makes search results sort by "date" instead of "relevance" by default.551 users -
A Thunderbird extension which disables drag and drop in the folder pane.
This extension prevents unintended folder movement.35 users -
Hide title bar if window is maximized.
This add-on has been discontinued!
Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.0 users -
Updated version of David Winter's Close Tab on Escape, ported to be compatible with Thunderbird 68 and later.12 users
Recently Added See all »
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Sync Thunderbird interface colors with Omarchy on Linux. Requires a separately installed local companion.1 user
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Displays incoming and outgoing messages in a weekly Kanban board.1 user -
Set the exact font size in px or pt and the line spacing while writing an email — for the selected text or for the whole message.30 users -
Not All Dark gives Thunderbird a quiet, neutral dark-gray look with no bright accents. But not everything goes dark: emails stay on a clean white background, both when you read them and when you write them. No settings, no data collected.35 users -
Hold mail for a set number of minutes after you press Send. Provides simple controls to send individual queued messages immediately, or cancel the pending send request.1 user -
This addon returns the "Forward as" menu button to the message header with two choices: forward inline or forward as attachment, as it was in some earlier TB versions.
No new functionality, just faster access.0 users
See all 392 extensions in Appearance and Customization »
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