Add-ons
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.99,957 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.79,324 users -
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, ownCloud, Nextcloud, Radicale and many more.50,871 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync33,846 users -
Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.31,513 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)25,124 users
Top Rated See all »
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GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.1,779 users -
Macro Template is to replace mail templates with macros for date formatting.889 users -
This add-on adds a new column called "تاریخ" ("Date (Persian)" since V1.1.3) in message list containing Iranian Date.
It is reimplementation of Iranian date for Thunderbird 78. The source is based on Full address column by Łukasz Kosson.20 users -
True "Send Later" functionality to schedule the time for sending an email.99,957 users
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Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync33,846 users
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This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, ownCloud, Nextcloud, Radicale and many more.50,871 users
Recently Added See all »
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Open up Google Calendar, Notes, and Microsoft Outlook in a new tab.6 users
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How Does It Work?
Once you install the add-on, a new icon will appear in the Thunderbird toolbar. Simply click on the icon, and it will open the Dropbox Paper tab.
Will the Dropbox Paper Add-on Collect My Data?
Never.31 users -
Copy the timestamp and/or email addresses of the sender, recipient, etc. to the clipboard in various formats.34 users -
Adds a Proton Calender button to the toolbar. The button simply opens a new tab with the https://calendar.proton.me webpage.534 users -
Get the hidden appointment from an email from outlook/teams as a .ics-file - Icon: https://fontawesome.com/5,658 users -
Adds calendars containing the birthdays from your address books.4,756 users
See all 57 extensions in Calendar and Date/Time »
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