Appearance and Customization

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Group Favorite Folders

An extension for Thunderbird 115+ (Supernova) that groups and sorts favorites folders in the compact view.

Not yet rated
244 users
Updated April 30, 2024

Sender Frequency

Adds a custom column for Sender Frequency to the thread pane

Rated 5 out of 5 stars (11)
45 users
Updated April 30, 2024

Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 4 out of 5 stars (67)
10,863 users
Updated April 24, 2024

Preferences Button

Adds a Preferences button

Rated 5 out of 5 stars (1)
330 users
Updated April 24, 2024

DevTools Button

Adds a DevTools Button, opens the Developer Toolbox

Not yet rated
505 users
Updated April 24, 2024

Config Button

Adds a Config Button, opens about:config in a dialog or a new tab.

Rated 5 out of 5 stars (3)
2,066 users
Updated April 24, 2024

Quick Spaces

Makes it possible to add custom addresses to the spaces toolbar

Rated 5 out of 5 stars (2)
35 users
Updated April 13, 2024

Next Unread Group (Mark All Read)

Adds a Group button, marks current newsgroup or folder as read and moves to the next unread message

Rated 5 out of 5 stars (3)
106 users
Updated March 27, 2024

Next Unread Thread (Mark All Read)

Adds a Thread button, marks current thread or conversation as read and moves to the next unread message

Rated 5 out of 5 stars (4)
109 users
Updated March 27, 2024

Toggle Inline

Adds a Toggle Inline button

Rated 5 out of 5 stars (1)
98 users
Updated March 18, 2024

Dysclusif

Simplifier la lecture de mails en supprimant l'écriture inclusive

Rated 5 out of 5 stars (1)
11 users
Updated March 18, 2024

Start with Inbox

Selects the latest message in the Inbox after start of Thunderbird.

Rated 4 out of 5 stars (18)
1,125 users
Updated March 5, 2024

Tag Sync for TB

Syncronise/transfer tags, to other TB installations.

POP and some IMAP servers don't store tags (keywords).
This addon helps to have the same emails tagged on all TB installations.
Uses a central database, can be installed on your PC or server.

Rated 5 out of 5 stars (1)
44 users
Updated Feb. 28, 2024

RainbowNote

Notes with rainbow colors.
7 notepads are utilized as several memos if needed.
Or, these 7 notepads are used by days of the week.

February 28th 2021.

Sungho Hwang.

I love God.

Rated 4 out of 5 stars (1)
154 users
Updated Feb. 27, 2024

Mark Button

Toolbar button to mark a message as read or unread with 1 click.

Rated 5 out of 5 stars (4)
101 users
Updated Feb. 11, 2024

quickfilter-kbd

A simple Thunderbird extension that adds keyboard shortcuts to quick-filter messages with the same sender, subject, or recipient as a selected message.

Rated 5 out of 5 stars (2)
44 users
Updated Jan. 25, 2024

Toggle Summary

Adds a Toggle Summary button

Rated 5 out of 5 stars (1)
81 users
Updated Jan. 17, 2024

Phoenity Icons

Phoenity icons for Thunderbird

Rated 5 out of 5 stars (67)
13,480 users
Updated Jan. 17, 2024

archive-by-time

With the filter function comes with thunderbird, all emails met rules will be moved to a specific folder. As time passed the folder would grew bigger and I wanted to put all emails into sub folders classified by year.

Not yet rated
125 users
Updated Jan. 11, 2024

Attachment Viewer: view in a tab, slideshow

View attachments in TB
Images, office files, mp3, mp4
Use Dropbox viewer for 175 file types (in v3)
* Docx, xlsx, pptx, pdf preview
* Slideshow of images
* Zoom/drag to position
* Rotate/flip image
* Download dialog with thumbnail of image

Rated 4 out of 5 stars (20)
4,018 users
Updated Jan. 10, 2024