Add-ons
Reproductive Mailing
by tommyleeho
About this Collection
Install collection #1: for designed, timed, personalized bulk mailing you need extra: Mail Tweak; #2 for address book data mining you need extra: Seek and MoreFunctionsForAddressBook; #3 nice reading.
29 Add-ons in this Collection
Enigmail
by Patrick Brunschwig
4,861 users
Helper tool to migrate your keys and important settings from Enigmail to Thunderbird 78.
Quicktext
by John Bieling
125,754 users
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
LookOut
by Aron Rubin
1,407 users
LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
QuickFolders (Tabbed Folders)
by Realraven (Axel Grude), Alexander Malfait
15,315 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!
ReminderFox
by Tom Mutdosch, Daniel Lee, others
3,106 users
ReminderFox displays and manages lists of reminders and tasks. ReminderFox uses easy-to-use lists with warnings/alarms to remind you of all your important appointments.
Synchronize ReminderFox with other calendars as well.
Stationery
by Arivald
1,203 users
Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!
Silvermel
Addressbooks Synchronizer
by Günter Gersdorf
24,871 users
Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers
Check and Send
by H.Ogi
20,827 users
Check the message contents and addresses before you send the message...
Image Zoom
Allow HTML Temp
by Alexander Ihrig
10,604 users
Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).
EMail Address Crawler
by CySlider
16 users
Automatically fill your address books or send mass mails with e-mail addresses extracted from all your e-mails.
Duplicate Contact Manager
by Marian Steinbach, Copelnug
135 users
Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.
ThunderBrowse
by GS! Networks
63 users
Did your friend send you a cool link? Want to read the rest of that interesting article? Don't want to open up your web browser just to view it? You don't have to! Just view it in Thunderbird with ThunderBrowse!
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