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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/software/m-hub-pro

Rated 3 out of 5 stars (5)
282 users

TabControl

Automatically close old tabs when opening new mails.

Rated 5 out of 5 stars (3)
249 users

CPS Test Pro

Test your CPS (clicks per second) and practice different clicking techniques.

Not yet rated
2 users

DeepDark for Thunderbird Requires Restart

Dark mode for Thunderbird UI

Rated 5 out of 5 stars (44)
103 users

POPFile Jump

POPFileのリンク(x-popfile-linkヘッダーのURL)を開く拡張機能です。PopFileの振り分け機能の学習を直すときに便利です。

インストールするとツールバーにPOPFile Jumpのボタンが表示されるので、メールを選択してボタンを押してください。

POPFile:
http://getpopfile.org/docs/jp

Not yet rated
18 users

Thunderbird Email 2 CSV Exporter

This add-on has been thoroughly tested on all platforms up to Thunderbird version 115. It allows you to target specific file folders and tag them for export, generating a CSV-formatted export file. Great for a large number of emails and Mailchimp.

Not yet rated
131 users

Auto Mark As Read

Automatically mark incoming messages as read if they are in one of selected folders.
An attempt to revive & enhance 'Mark Junk Read' by Alex Cabal

Rated 5 out of 5 stars (3)
197 users

KundenMeister CRM Mail Export

An mail export add-on from KundenMeister to export the mails from user to KundenMeister portal after authentication.

Rated 4 out of 5 stars (6)
40 users

Empty Folder

Adds a context option to mail folders for moving all included messages to trash.

Rated 4 out of 5 stars (13)
235 users

Thunderbird OpenProject

Extension to add tasks to OpenProject

Rated 4 out of 5 stars (1)
68 users

Confirm-Address2 Requires Restart

Confirm E-mail addresses before sending mail.
This is forked from https://github.com/Meatian/confirm-address and works with Thunderbird 68.

Rated 5 out of 5 stars (2)
167 users

Colored Folders Requires Restart

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

This is project "Color Folders" (originally by Fisheater), corrected, resurrected, restaurated, extended and republished.

Rated 4 out of 5 stars (151)
3,300 users

Thematic

Quickly switch between your themes or back to the default.

Rated 1 out of 5 stars (1)
448 users

OpenFolder

This add-on makes it easy to open folders on a file server.

In order to use the add-on, you need to install two things: the add-on and the linked app.
You can download the linked app from the following website.

https://openfolder.net/

Rated 3 out of 5 stars (2)
145 users

InfoCodex DocSummarizer

Intelligent document and mail summarization tool based on the artificial intelligence of InfoCodex. Create better summaries chapter-by-chapter and tag them in your preferred language.

Rated 1 out of 5 stars (1)
7 users

ThunderWebTabs

Opens Google Keep, Google Photos, Android Messages or any other website in Thunderbird's tab.

Users who encounter "Browser not supported errors" should try changing their User Agent. For more details, please visit the "Support site".

Rated 5 out of 5 stars (1)
260 users

Open In Conversation Requires Restart

Make the default message list action be "Open Message in Conversation" when double-clicking or using the "Enter" key to open an email from the message list.

Rated 5 out of 5 stars (3)
33 users

Check Domain NG Requires Restart

This is a fork of "Check Domain" addon, which can run on 68 version of Thunderbird.

Rated 3 out of 5 stars (2)
1 user

Weatherlicious

A dynamic theme based on weather data from OpenWeatherMap.

Rated 4 out of 5 stars (8)
357 users

Two Dynamic Birds

An extension of the "Two Little Birds" and "Dracula" themes that includes a toggle button to turn on dark mode.

The position of the light/dark toggle button can be customised to avoid it covering the cute birds!

Not yet rated
117 users