If I hover over the button I used to put the content controls on it says Plain text content control. How do I tell if each control is a legacy form field or a content control?


It is really strange as some of my form fields work, as in their spelling is checked and some won't. I have noticed that the fields that allow their spelling to be checked show a little red squiggly line under the error. The ones that don't allow checking, won't show any line under errors.