Add one email address field as well as CC and BCC to the contact form.
- Go to Settings > Widget > Personalize.
- Choose the appropriate URL or knowledge base.
- Go to the Contact form tab and choose the appropriate contact form.
- Click on the pencil button to customize the form.
- Click Add new field and choose Email field.
- Click Setting near the email field and under the Textbox type choose CC or BCC.