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📣 Help shape Firefox by joining our Test Days event on July 21–27 to test the Firefox Semantic History Search in Firefox Beta 142

Email and messaging

Calendar

Manage your calendar events and schedules.

بالإنجليزية

Using Thunderbird with Google Calendar

Adding a holiday calendar

Export and share a calendar

Changing calendar preferences

Lightning User Interface

Create new calendars

Enable email invitations for CalDAV servers configured to do serverside scheduling

Configuring Lightning

Work with events

Create a new event or task

Change the date or time of an event

Inviting Other People to Events

Create a recurring event

Lightning Articles

Calendar updates issues with Thunderbird

Illustration of hands

تطوّع

Grow and share your expertise with others. Answer questions and improve our knowledge base.