Thunderbird Add-ons? Here's Some Great Ones!

by Ken Saunders

  • Updated Sept. 8, 2018

About this Collection

Thunderbird add-ons that I've either used for years, or tested and highly suggest.

45 Add-ons in this Collection

Lightning by Mozilla Calendar Project

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Rated 3 out of 5 stars 2,103 reviews

703,558 users

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

ImportExportTools by Paolo "Kaosmos"

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Rated 4 out of 5 stars 235 reviews

40,074 users

Adds some tools to import and export folders and messages

Enigmail by Patrick Brunschwig

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Rated 4 out of 5 stars 259 reviews

88,028 users

OpenPGP message encryption and authentication for Thunderbird.

CardBook by Philippe V.

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Featured

Rated 4 out of 5 stars 306 reviews

65,242 users

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Saved Password Editor by Daniel Dawson

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Rated 5 out of 5 stars 389 reviews

653 users

Adds the ability to create and edit entries in the password manager.

Quicktext by John Bieling

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Rated 4 out of 5 stars 404 reviews

116,645 users

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

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Rated 4 out of 5 stars 551 reviews

351 users

This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.

MinimizeToTray revived by Nils Maier

Download for Linux Download for Windows

Rated 4 out of 5 stars 395 reviews

5,351 users

Minimizes windows into the system tray.

CompactHeader by jmozmoz

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Rated 5 out of 5 stars 188 reviews

16,845 users

Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.

QuickFolders (Tabbed Folders) by Realraven (Axel Grude), Alexander Malfait

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Rated 5 out of 5 stars 158 reviews

22,610 users

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

Addressbooks Synchronizer by Günter Gersdorf

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Rated 4 out of 5 stars 69 reviews

18,441 users

Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers

Check and Send by H.Ogi

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Rated 4 out of 5 stars 38 reviews

17,869 users

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

Notepad (QuickFox) by InBasic, J Benthum

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Rated 4 out of 5 stars 191 reviews

83 users

Everyday note-taking solution.

Disable Add-on Compatibility Checks by Kris Maglione

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Rated 4 out of 5 stars 121 reviews

1,509 users

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Account Colors by DW-dev

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Rated 4 out of 5 stars 156 reviews

3,654 users

Associates user-defined colors with POP3/IMAP accounts and identities. Applies these colors to accounts, identities, folders, message list, message headers and compose headers. Users will always know which accounts/identities they are working with.
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