There are a few scenarios where you might need to resend the booking confirmation email to one of your bookers.
The booker has lost or deleted the confirmation email.
The initial email address was incorrect, you fixed this, and now the booker requires a copy as they didn't receive it the first time.
You have updated the date/time, or location of your event and would like to update your bookers.
This article covers:
Resending to a single booker
Locate the booking in your Bookings tab and then select the booking reference to open the booking. Then select the link on the right-hand side where it says Resend confirmation emails, then select Resend. You will also be able to see a timestamp showing when the email was last sent:
Resending to all attendees on an event
Select the relevant entry in your schedule
Click the Attendees button towards the right of your screen
You'll now see Options drop-down in the top right
Click Resend confirmation emails - to resend confirmation emails to the entire list: