Step1: Go to the pencil tool within each webinar reading 'Edit/View Webinar details.
Step2: Go to 'Email funnel' as shown in the image below.
If you want to stop sending all the Reminder Emails for all the webinars, enable the toggle button shown below.
If you want to change the Sender's Name of Emails for all the webinars, you can edit it in the column shown below.
Step3: Choose the time when you want to send the Reminder to your Registrants (for eg: 1 hr before Webinar). Do not forget to enable the button shown in the image below.
If you want to edit the default Email and want to write your own Email content, enable the button shown in the image below and edit the text
Step4: Click 'Save & Update'