Appearance and Customization

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Thematic

Quickly switch between your themes or back to the default.

Not yet rated
0 users
Added March 2, 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
6 users
Added Feb. 22, 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 (2)
17 users
Added Feb. 22, 2021

TimetableForWeb

Timetable is displayed in browserAction popup.

Display just previous schedule.
Update current time schedule.
Good to update future schedule too.

I thank God through Jesus Christ.

Not yet rated
4 users
Added Jan. 23, 2021

Dark Reader

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

Rated 5 out of 5 stars (5)
652 users
Added Jan. 21, 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)
256 users
Added Jan. 13, 2021

TaskviewGridLayout

TaskviewLayout has two versions.
One is this TaskviewGridLayout and
another is the existing TaskviewFlexLayout.

TaksviewGridLayout works in Thunderbird version 78.6.0 ~ 88.0a1.

Praise Stephen Kim Sou-hwan.

January 12th 2021.

Not yet rated
8 users
Added Jan. 12, 2021

Hide Local Folders for TB78++

Removes the 'Local Folders' entry from the folder pane.
(The folder itself will stay existent.)
(Based on the original work of Alex Cabal.)

Rated 5 out of 5 stars (7)
596 users
Added Jan. 4, 2021

Toggle Summary

Adds a Toggle Summary button

Not yet rated
12 users
Added Dec. 28, 2020

Toggle Inline

Adds a Toggle Inline button

Rated 5 out of 5 stars (1)
14 users
Added Dec. 28, 2020

Toggle HTML

Adds a Toggle HTML button

Not yet rated
67 users
Added Dec. 28, 2020

AttachmentCount

Adds a column to the Thunderbird message list to always display the true attachment count. An icon is shown for single attachments or all attachments deleted/detached. Tooltip preview of single attachment content and summary for multiple attachments.

Rated 5 out of 5 stars (1)
170 users
Added Dec. 14, 2020

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)
177 users
Added Dec. 13, 2020

FindTasksButton

1) Add Find Task button like Find Events button.
2) Add tasks filter menu list.
3) Add the menu list filtering tasks by priority.

Hi, Mom.
I pray for my and your mother's good health.

From a middle-age son.

Not yet rated
15 users
Added Dec. 10, 2020

Larger Message List

Enlarges the display of the message list, and the folder tree view too

Rated 5 out of 5 stars (2)
126 users
Added Dec. 4, 2020

Smileyfixer

Fixes smileys that show in emails created by Outlook as J.

Not yet rated
215 users
Added Nov. 26, 2020

Simple Startup Minimizer

This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.

Rated 3 out of 5 stars (8)
545 users
Added Nov. 24, 2020

TreeChildrenHeight50

Adjust tree children heights to 50px.
After clicking menu button, please, move mouse pointer to tree. if so, heights are changed at hovering or clicking a tree child.

To Hyun-geol who I like.

Oh, my Jesus.

December 10th 2020.

Rated 3 out of 5 stars (1)
17 users
Added Nov. 12, 2020

Darko

Simple dark mode (theme) for your Thunderbird messages.

FastAddons.com/#darko

Rated 5 out of 5 stars (9)
1,412 users
Added Nov. 10, 2020

RedThunderMineBird Plus

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

Not yet rated
53 users
Added Nov. 5, 2020