Add-ons
Thunderbird
by mati1199
About this Collection
17 Add-ons in this Collection
ImportExportTools
by Paolo "Kaosmos"
7,532 users
Adds some tools to import and export folders and messages
Provider for Google Calendar
by Philipp Kewisch
194,755 users
Allows bidirectional access to Google Calendar
Remove Duplicate Messages
by Eyal Rozenberg
98,675 users
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Signature Switch
by Achim Seufert
57,020 users
Switch the signature on/off or choose a new one from your predefined set.
CompactHeader
by jmozmoz
15,837 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.
Disable Add-on Compatibility Checks
by Kris Maglione
191 users
Reinstates the extensions.checkCompatibility preference without respect to the current application version.
Contact Tabs
by thunderspeed
158 users
Contact Tabs enhances Thunderbird to give you quick access to all your contacts directly from Thunderbird's main window: Use the powerful search field to find your contacts and open them in a new tab for viewing and editing.
Duplicate Contact Manager
by Marian Steinbach, Copelnug
104 users
Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.
Thunderbird Message Filter Import/Export
by Wind Li
6 users
Thunderbird Message Filter Import/Export is a thunderbird/mozilla extension to import/export message filters.
Auto Address Cleaner
by markopee
276 users
Removes comment, display name automatically from addresses before sending mail.
ThunderLink
by Christoph Zwirello, Mike Hardy
187 users
Clickable, durable links to specific messages inside Thunderbird.
Contacts Sidebar
by Jeroen Peters
73 users
Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.
Visit my Contacts Sidebar site for recent versions and news.
Folderpane Tools
by chuonthis, Philip Chee
207 users
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
Extra Folder Columns
by Joey Minta, Thunderbird Development Team
127 users
This extension is for those TB3 users who want the multiple-columns view that TB2 allowed
IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.
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