macOS Mojave 10.14
![](https://help.apple.com/assets/5A8F4C9B680CE2DA76DA9F87/5A8F4C9C680CE2DA76DA9F8E/en_AU/e457c4e9cda8e4a5576ddd804215b9bb.png)
Send an email or message to invitees in Calendar on Mac
Easily send an email or message to all of the people invited to an event.
Control-click the event.
Choose Email All Participants or Message All Participants.
Enter text for your email or message, then send it.
If the event has a phone number listed in its notes, and your Mac is set-up to make phone calls, you can click the phone number to call it. See Make and receive phone calls on your Mac.