Magento – How to add file upload option to Magento2 contact form

Cade,your issue may be in

• Mail Configuration at server.Mail need to be setup properly at magento system & your server.
• If Mail setup is proper then you need to check contact_form.html exits in app/locale/en_US/template/email

You have to create another custom form, like this Inchoo tuto, then you can include the form in your cms page according this tuto like this:

{{block type="core/template" name="form.custom" form_action="/simpleContact/index/sendemail" template="inchoo/simple_contact.phtml"}}