How to let users to attach files with their submissions

How to attach an excel spreadsheet to a form submission?

We are trying to create a data list request form, we need the recipient to attach an excel spreadsheet to the form, is this possible?

If you would like to be able to accept file attachments from your form users, please use a File Upload field type from Basic Fields.

In case you are referring to something else, please provide us with a bit more information on your inquiry.