Calendar
Integrated calendar component of Thunderbird
Adding a holiday calendar
Learn how to add a list of holidays to your calendar in Thunderbird.
Last updated: 03/08/2019
Creating New Calendars
Using Thunderbird it's possible to have multiple calendars. You can connect to your online calendars during email account setup or create new calendars later.
Last updated: 10/26/2021
Calendar updates issues with Thunderbird
Common calendar update issues for Thunderbird with the Lightning add-on and recommendations to deal with them.
Last updated: 11/10/2018
Lightning User Interface
This article describes the Lightning user interface. (Lightning is a popular calendar add-on for Thunderbird.)
Last updated: 03/11/2014
Inviting Other People to Events
If you need to set up a meeting, and keep track of who's attending and who is not, Lightning can do this as well as allow you to send invitations to people who do not have Thunderbird/Lightning, including Microsoft Outlook users!
Last updated: 02/26/2014
Changing calendar preferences
This article describes how to change the preferences (name, color, location etc.) of a single calendar.
Last updated: 07/04/2016
Configuring Lightning
This article describes how to configure the Lightning add-on for Thunderbird.
Last updated: 12/22/2014
Creating a new event or task
This article describes how to create a new event or task in the Lightning calendar add-on for Thunderbird.
Last updated: 03/09/2020
Exporting and sharing a calendar
This article describes how to export and share a calendar from the Lightning calendar add-on for Thunderbird.
Last updated: 03/14/2018
Changing the Date or Time of an Event
This article describes how to change the date or time of an event.
Last updated: 11/08/2016
Creating a recurring event
This article describes how to create a recurring event in the Lightning calendar add-on for Thunderbird.
Last updated: 03/09/2020
Lightning Articles
Created: 02/13/2014
Enable email invitations for CalDAV servers configured to do serverside scheduling
How to configure Thunderbird/Lightning to send email invitations even if you're subscribed to a CalDAV calendar supporting serverside scheduling.
Last updated: 08/13/2018
