Appearance and Customization

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Minimize on Close

Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.

Rated 4 out of 5 stars (45)
23,229 users
Updated April 23, 2021

Full Address Column

Adds a full sender and recipient e-mail column to message list panel.

Rated 4 out of 5 stars (19)
2,528 users
Updated April 22, 2021

Eventview

It seems like taskview,
but it would be enough with a small size because event is different to task.
Of course, tooltip exists, but it shows information of events formally.

Be a light.
I thank God!

Not yet rated
51 users
Updated April 21, 2021

Dark Reader

Dark mode for every email. Take care of your eyes, use dark theme for night and daily messaging.

Rated 4 out of 5 stars (7)
2,282 users
Updated April 21, 2021

BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 4 out of 5 stars (21)
5,335 users
Updated April 18, 2021

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 (8)
1,093 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)
269 users
Updated March 19, 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)
490 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)
139 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)
120 users
Updated March 2, 2021

Thematic

Quickly switch between your themes or back to the default.

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

Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 5 out of 5 stars (29)
8,220 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 (18)
25,093 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
130 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 (18)
3,263 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)
823 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 5 out of 5 stars (4)
368 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)
764 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)
55 users
Updated Jan. 28, 2021

Toggle Summary

Adds a Toggle Summary button

Not yet rated
12 users
Updated Jan. 26, 2021