Yes, it is possible to activate/duplicate the existing emails on the platform. All you need to do is click on the check box next to the email and then select either of the two options- “Duplicate Email” or “Enable Emails.”
Duplicating an email lets you create a new email outside the ones already available on the platform by default while enabling emails is important for any email to be sent. No emails will go out on their own unless you “enable” them.
