Contact form built with Formbuilder not displaying in browser
I've built a new contact form with CSS Formbuilder and Universal Email. Using the Simple Contact form, nothing fancy, with the Captcha feature on the bottom. When I go to save the file, I'm getting an error message I've never seen before: My file isn't encoded with UTF-8 encoding, and it's telling me to change it so that the special characters can be displayed (I'm assuming it's referring to the Captcha characters?). When I upload the form, the template is there but the body is completely blank.
I have no idea how to change encoding in the source data. Can someone help? File is attached. Using Dreamweaver CS6 on Windows 10.
Second and unrelated question: if I want to change something in the form once I've closed the dialog box, how do I get back into it? Can't see what to click on to open it back up...