On Events.com, yes you can! We all love when family and friends sign up for an event together, but we still want a chance to talk to them one on one. If you want to ensure that you're getting unique email addresses for each person in an order, here's how you can make it required:
1. While in your event, select Event Details - Settings
2. Open Pre-Registration Setup by clicking the +
3. Scroll to Unique Email Address and toggle to Yes
4. When finished, click to Save! Your attendees will be required to provide unique email addresses for each person in their order.