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RepSel: Reply to all selected mails

Reply to all selected messages with a single button press. E.g., compose a reply to all emails in a folder or those matching a search. Req. permissions: menues to add UI, messageRead to get sender, compose to add recipients, storage for settings.

Rated 4 out of 5 stars (3)
127 users

Deselect on Delete TB78

Disables selection of the next message when deleting.

A quick port of squib's "Deselect on Delete" for thundebird 78.

Rated 4 out of 5 stars (18)
521 users

Full Address Column

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

Rated 5 out of 5 stars (73)
6,024 users

composeSelectMacro

定型文4つ保存しておいて、メールを作成する時にそのテキスト文を挿入できるツールです
You can prepare four fixed phrases, select them when composing an email, and insert them in the body of the email.

Not yet rated
41 users

acus

Update 2023: This addon will be replaced by "arcus".

Modern encryption in Thunderbird

** Currently in testing phase **
What you can do:
1. Set your secret key and automatically decrypt emails
2. Generate a new key pair
3. Encrypt plain text

Not yet rated
2 users

PRATICHE MAIL

ARCHIVIA EMAILS ALLE PRATICHE

Not yet rated
61 users

Auto-Mark Folder Read

New messages can be automatically marked as read in common folders (e.g. spam, trash, drafts, templates).

For TB up to 121, please use the most recent v1.5.* add-on release.

For TB as of 122, just use the latest add-on version (1.6 or higher).

Rated 4 out of 5 stars (11)
746 users

Darko

Simple dark mode (theme) for your Thunderbird messages.

FastAddons.com/#darko

Rated 5 out of 5 stars (34)
6,052 users

Get All Senders

This add-on retrieves all the senders associated with the emails in this mailbox and stores them in your clipboard.
For more information and to report an issue, please visit the project home page at https://github.com/CicadaCinema/get-all-senders .

Rated 4 out of 5 stars (5)
324 users

RemindMe

Moves email into Inbox/RemindMe folder, and moves it back into Inbox after chosen time.

Rated 5 out of 5 stars (4)
426 users

GIMPS Opener

Open Great Internet Mersenne Prime Search (GIMPS) 2ᴾ-1 exponent numbers.

Rated 5 out of 5 stars (1)
6 users

Mark All Read:WE

Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.

*Note*
Version 2: Requires Thunderbird v128+
Version 1: Works best with Thunderbird v91+

Rated 3 out of 5 stars (19)
1,063 users

Weatherlicious

A dynamic theme based on weather data from OpenWeatherMap.

Rated 4 out of 5 stars (9)
363 users

Mail Merge P

Mail Merge P (Mail Merge with Preview) is a Thunderbird add-on to send bulk emails based on data provided in a spreadsheet. It uses the nunjucks templating engine.

Rated 3 out of 5 stars (17)
2,362 users

Advanced Composer

Creates message templates with variable support, quote header in Ms Outlook style, signatures, custom attachment info for cloud files, and more.

Rated 4 out of 5 stars (9)
513 users

Australian English Dictionary

FEATURES
- Profanity
- Racism
- Slang words
and so much more!

GitHub repo @ https://github.com/Caskexe/Australian-English-Dictionary
Firefox Add-ons listing @ https://addons.mozilla.org/en-GB/firefox/addon/australian-english-dictionary/

Rated 5 out of 5 stars (2)
1,945 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)
11 users

Clear History Button

Adds a button to launch the Clear History dialog

Rated 5 out of 5 stars (1)
79 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 (3)
340 users

New UNEC

New UNEC is a browser extension that transforms the UNEC student panel into a modern and user-friendly interface. It dynamically replaces the existing webpage’s HTML, CSS, and JS with an improved design, featuring automatic dark mode, language.

Not yet rated
3 users