PamGleasonAnswered on January 09, 2019 04:22 PM
roneetAnswered on January 09, 2019 06:37 PM
You can set up "Unique Question" question on your form to do that.
Here's a guide — How-to-set-Form-Limits-Based-on-a-Unique-Question
You can also limit form submissions based on multiple fields in your form.
You may follow this guide to set unique submissions in your Form:
Hope this works!