To customize the email invitations that go out to your guests – click on the Send Invitations tab and click check-box that says Send a customized invitation email
This enables the showing on a text field with a built in text editor. Here you can edit the text of the default email template that is sent out to invitee your guests to your meeting.
In this text field you can make use placeholders such as start and finish which are variables for the start and finish time of your event respectively. The range of available placeholders are shown under the field.
You can also enable first and second reminder emails, decide when they will be sent and customize them in the same way, just beneath.
Optionally, you can also attach files to the invitation and remainder email and also get copies of these mails sent to yourself.