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Mail Merge

Create and Save or Send Multiple Individual and Personalized Messages from a Draft

Rated 5 out of 5 stars (226)
67,515 users

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Signature Switch

Switch the signature on/off or choose a new one from your predefined set.

Rated 4 out of 5 stars (272)
52,449 users

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Emoji

Add emojis to your e-mails.

Rated 4 out of 5 stars (64)
24,615 users

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Check and Send

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (49)
20,901 users

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Confirm-Address

メールを送信する前にあて先確認ダイアログを表示するThunderbirdアドオンです。

Rated 4 out of 5 stars (73)
21,489 users

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AutoarchiveReloaded Featured

Archiviert E-Mails automatisch (Verbesserte Version vom "Autoarchive" Add-on)

Rated 4 out of 5 stars (25)
23,298 users

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FlexConfirmMail

Confirm mail address and attachments based on flexible rules.

(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)

Rated 4 out of 5 stars (11)
22,253 users

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Grammalecte [fr] (for Thunderbird)

Correcteur grammatical dédié à la langue française. Inclus : conjugueur, formateur de texte et dictionnaires orthographiques.

Rated 4 out of 5 stars (16)
6,315 users

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G-Hub Lite

Google Tabs for Thunderbird! G-Hub Lite supports Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need Google Workspace support (formerly G Suite)? Check out G-Hub Pro: https://www.schiffner.com/index.php/software/g-hub-pro

Rated 4 out of 5 stars (23)
3,882 users

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CategoryManager

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Rated 5 out of 5 stars (23)
7,528 users

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CardDAV Browser

A utility to browse vCards stored on a CardDAV server.

This version is only for Thunderbird. There is a SeaMonkey version available if needed.

Rated 3 out of 5 stars (7)
361 users

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Edit Email Subject (EES)

This module allows you to change/edit email subjects

Rated 4 out of 5 stars (122)
8,081 users

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Google Keep Tab

Adds a button to open Google Keep in a new Tab

Rated 5 out of 5 stars (29)
4,373 users

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Identity Chooser

Identity Chooser helps you to always use the correct identity when composing a new email.

Rated 4 out of 5 stars (147)
6,075 users

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Attach from Clipboard

Create file attachments directly from the system clipboard.

Rated 4 out of 5 stars (27)
6,207 users

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ReFwdFormatter

Remove the ">" prefix from quote when you make a reply.

[Source code] https://github.com/isshiki/ReFwdFormatter

Rated 4 out of 5 stars (15)
2,190 users

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List Addons in Windows' Programs

List addons in Windows' "Add or Remove Programs".

Rated 5 out of 5 stars (1)
10,368 users

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TexTra

Thunderbirdのメールのテキストを翻訳、辞書引きを行います。

Rated 4 out of 5 stars (2)
711 users

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Unmangle Microsoft ATP Safelinks

Users of outlook.com and o365 who have Advanced Thread Protection enabled will have all URL's in emails changed to redirect them to an Microsoft filter before opening. This is a bad idea.

This plugin will change the URL back to the original value.

Rated 5 out of 5 stars (6)
715 users

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Quick Folder Key Navigation

This extension makes it possible to quickly navigate to a particular folder in the folder pane simply by typing the first few letters of the folder name when the folder pane has focus.

Rated 4 out of 5 stars (15)
915 users

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