Add-ons
Top-notch add-ons (TB)
by Anmool
About this Collection
Some of the best and must have add-ons for Thunderbird
32 Add-ons in this Collection
Provider for Google Calendar
by Philipp Kewisch
180,370 users
Allows bidirectional access to Google Calendar
Enigmail
by Patrick Brunschwig
4,071 users
Helper tool to migrate your keys and important settings from Enigmail to Thunderbird 78.
Manually sort folders
by Jonathan Protzenko, Itagaki Fumihiko
11,236 users
This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.
Quicktext
by John Bieling
121,980 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
82 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
UnMHT
by arai_a
38 users
UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
CompactHeader
by jmozmoz
14,848 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
14,607 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
2,679 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.
Check and Send
by H.Ogi
19,993 users
Check the message contents and addresses before you send the message...
Calendar Tweaks
by DW-dev
1,941 users
Allows several tweaks to the Thunderbird/Lightning calendar user interface including new selection styles and repeating event icons. Mimics the colors and styles found in MS Outlook.
Account Colors
by DW-dev
3,198 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.
Google Calendar Tab
by Bryan Clark
53 users
Adds the Google Calendar web interface as a new tab directly into Thunderbird. Creating and viewing events works just as it would in a browser like Firefox
Toolbar Buttons
by Button Guy
306 users
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
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Collections are groups of related add-ons that anyone can create and share.
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