Appearance and Customization

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Spam Scores

Displays spam scores according to mail headers. Supports spam/ham score headers of Rspamd, SpamAssassin and MailScanner. 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.

Rated 5 out of 5 stars (7)
1,025 users
Updated April 12, 2021

Get All Mail Button for TB78++

Adds a toolbar button to get all new messages for all accounts in Thunderbird. When clicked, it does the same as the default button "Get Messages" dropdown menu entry "Get All New Messages".

Rated 5 out of 5 stars (5)
197 users
Updated March 19, 2021

RedThunderMineBird Plus

Provides ability to create issues on Redmine from the context menu or the button in the message header area.

Not yet rated
66 users
Updated March 16, 2021

Signature sync for Gmail

This extension allows you to automatically use your signature from Gmail accounts in Thunderbird. No longer need to maintain two separated signatures!

Not yet rated
85 users
Updated March 11, 2021

G Suite in tab

Now you can open G Suite App in Thunderbird tabs. (Calendar, Contacts, Keep, Task and Drive)

Rated 5 out of 5 stars (1)
405 users
Updated March 7, 2021

UrgentMail

Raise X11 urgent flag if new mail is received.

This addon listens for incoming mails and causes the Thunderbird window to draw attention.

Rated 5 out of 5 stars (3)
129 users
Updated March 2, 2021

ScrollAnywhere

Scroll without touching the scroll-bar!
Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar.

Features also:
- "grab and drag" scrolling
- customizable scrollbars!
- the Momentum auto-scroll

Rated 5 out of 5 stars (1)
114 users
Updated March 2, 2021

Thematic

Quickly switch between your themes or back to the default.

Rated 1 out of 5 stars (1)
194 users
Updated March 2, 2021

Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 5 out of 5 stars (29)
8,163 users
Updated Feb. 24, 2021

Lightning Calendar Tabs

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.

Rated 4 out of 5 stars (17)
24,589 users
Updated Feb. 24, 2021

KeepRunning

Once you close Thunderbird you will no longer be able to see your new emails. This plugin keeps Thunderbird active in the background, meaning you can still receive your new emails after closing the app. Use this when the app is in the startup.

Not yet rated
104 users
Updated Feb. 23, 2021

Monterail Full Dark 2 for TB>68

Monterail Full Dark, a Thunderbird theme inspired by the mockup of Monterail

Rated 4 out of 5 stars (17)
3,332 users
Updated Feb. 15, 2021

Filter on Folder Button

new:
v1.3.0 release
add buttons for activate filter on selected message, filter on folder and filter dialog.
incl. Hotkey's

setzt drei Buttons in die Toolbar für die Funktionen Filter auf Folder, Filter auf Nachricht und Filterdialog.

Rated 4 out of 5 stars (10)
813 users
Updated Feb. 15, 2021

Monterail Darkness Extended

Monterail Dark, a Thunderbird theme inspired by the mockup of Monterail extended to Calendar, Tasks and Composer. Some more tweaks to normalize heights of the tabs and other options.

Rated 4 out of 5 stars (3)
325 users
Updated Feb. 11, 2021

BrowseInTab

BrowseInTab lets you open and browse any link in a Thunderbird content tab. Links are followed within the tab and back/forward navigation is supported. Also with enhanced Zoom customization and a url bar.

Rated 5 out of 5 stars (8)
753 users
Updated Feb. 8, 2021

TaskviewFlexLayout

Would you transfer to TaskviewGridLayout?
TaskviewFlexLayout does not work any more in Tb 80s.
TaskviewGridLayout has a different design method but has a same functionality compared to TaskviewFlexLayout.

Praise Stephen Kim Sou-hwan.

Rated 1 out of 5 stars (2)
54 users
Updated Jan. 28, 2021

Toggle Summary

Adds a Toggle Summary button

Not yet rated
13 users
Updated Jan. 26, 2021

Toggle Inline

Adds a Toggle Inline button

Rated 5 out of 5 stars (1)
33 users
Updated Jan. 26, 2021

Toggle HTML

Adds a Toggle HTML button

Not yet rated
105 users
Updated Jan. 26, 2021

Attachment Image Viewer/Slideshow

Viewing images in attachments as full size or thumbnail.

* Show slideshow of attached images
* Zoom image
* Drag zoomed image to choose the displayed region
* Rotate image
* Flip image
* Download dialog: shows a thumbnail of the image

Rated 5 out of 5 stars (2)
512 users
Updated Jan. 14, 2021