Sometimes you might want to give your users the option to skip a contact from, without losing the ability to use required fields in your forms.

You can add buttons that skip required fields and style them as links to achieve this.

Simply drag a Button element under the contact form and the existing "Next" button:

Then, enable the "Skip required fields" and the "Style as link" options of the Button element. You can also change the button text to "Skip this step" or anything appropriate for your from:

The result is a link that loads the next page, even if the participants did not fill out the required fields of the Contact Form: