Newest Extensions

Subscribe

Toggle Word Wrap Requires Restart

Toggle word wrapping and <PRE> element wrapping in the message composition and HTML display windows, respectively. Based on original version by Kaspar Brand.

Not yet rated
4 users
Added Oct. 8, 2019

M-Hub Lite

Add Microsoft Office 365 Tabs to Thunderbird! Services supported by M-Hub Lite: Calendar, People, OneDrive, Word, Excel, PowerPoint, & Bing. Need business or enterprise support? Get M-Hub Pro: https://www.schiffner.com/index.php/software/m-hub-pro

Rated 1 out of 5 stars (1)
7 users
Added Oct. 3, 2019

OppositeTodaySubpane Requires Restart

Today subpane is a emblem of Thunderbird.
When today pane is hidden for a wide view,
someone feels sorry not to have this today subpane on screen.
It is to remain today subpane on folder and subscription pane.
send a gift to a friend Eunjo.

Not yet rated
8 users
Added Aug. 17, 2019

Autocrypt Requires Restart

E-Mail encryption that gets out of your way. Compatible with Autocrypt and OpenPGP.

EARLY ACCESS, MAY CONTAIN BUGS!

Caution: This extension can not be used together with Enigmail. Please remove Enigmail before installing.

Rated 5 out of 5 stars (4)
40 users
Added Aug. 13, 2019

TaskviewLayout

Put task view up to read document of long sentences.
Put task view neutrally to read tree lists.
Put task view vertically to read document in which records are many.
praise Cardinal Soo-Hwan, Kim.

Rated 1 out of 5 stars (2)
18 users
Added Aug. 9, 2019

Night and Day Dynamic

A theme that switches between sun and moon based on time of day.

This is the canonical example dynamic theme published by Mozilla: https://github.com/mdn/webextensions-examples/tree/master/dynamic-theme

Rated 4 out of 5 stars (1)
308 users
Added July 27, 2019

ImportExportTools NG Requires Restart Featured

Adds tools to import/export messages and folders (NextGen)

Rated 5 out of 5 stars (16)
16,051 users
Added July 15, 2019

Phoenity Icons Requires Restart

Phoenity icons for Thunderbird

Rated 5 out of 5 stars (2)
544 users
Added July 12, 2019

Disable DragAndDrop (Thunderbird) Requires Restart

Disable drag and drop on the folder tree in order to prevent unintended folder movement.

Rated 5 out of 5 stars (1)
93 users
Added July 6, 2019

Enhanced Date Formatter Requires Restart

Configure the 'Date' and 'Received' columns and displayed date in the message pane using custom formats. You can even use different date formats for emails with today's date, yesterday's date, dates in the last week, or dates older than a week.

Rated 5 out of 5 stars (10)
164 users
Added June 24, 2019

PasteMarkdownSyntax Requires Restart

Paste Markdown syntax on event and task dialog descriptions.
Items are:
'**', '```', '###', '~~', '----', '|---', '|---|', '---|', '|:---|', '|:---:|', '|---:|', '![alt text]( )'
praise Cardinal Soo-Hwan, Kim.

Not yet rated
12 users
Added June 18, 2019

FrameWhite Requires Restart

Add Switch white button on menu for switch between default and white themes.
Enjoy white without eye fatigue! Change it to default theme to have the other themes.
send a gift to a friend Eunjo.

Not yet rated
1 user
Added June 1, 2019

FileLink provider for WebDAV

Uploads your large attachments to your WebDAV account instead of sending them by email.

Not yet rated
339 users
Added May 27, 2019

FileLink Provider for Box

Uploads your large attachments to your Box instead of sending them by email.

Rated 2 out of 5 stars (1)
503 users
Added May 21, 2019

userChromeJS Requires Restart

Load the contents of chrome/userChrome.js from the user's profile directory every time a window is opened.
This is an attempt to re-implement the old userChromeJS extension to make it compatible with Thunderbird 60+.

Rated 4 out of 5 stars (1)
48 users
Added April 1, 2019

AutoCopy_rebirth Requires Restart

Lightweight add-on that automatically copies any highlighted text to clipboard.

Rated 4 out of 5 stars (3)
86 users
Added March 8, 2019

Use BCC Instead C Requires Restart

This is a version of 'Use BCC Instead' updated for Thunderbird 64 and above.

It prevents you accidentally sending an email to a large number of recipients without hiding their addresses from each other by using BCC.

Rated 5 out of 5 stars (2)
94 users
Added Feb. 19, 2019

PopMailListRecipients 2

Expands address book lists to recipients addresses in the compose window

Not yet rated
25 users
Added Feb. 8, 2019

Colored Folders Requires Restart

INFO: New version will be out approx. 1st week of october!
Keep the Addon installed and the update will be delivered automatically!

Add colors to your folders in Thunderbird!
Must-have for better organisation + intuitive and speedy workfow...

Rated 5 out of 5 stars (45)
9,693 users
Added Jan. 8, 2019

Show Outlook Appointments (vcal / ics) Requires Restart

An extension to show embedded Outlook calendar (vcal / ics) parts.

Thunderbird doesn't show calendar parts from Outlook appointment emails. This addon adds a button to download the embedded appointment as ICS to import it into another calendar.

Rated 3 out of 5 stars (2)
2,148 users
Added Jan. 7, 2019