You can easily add a middle name subfield for the Name field.
Click on the Name field and access the settings on the left-side panel. Go to Options and you will find Additional subfields – tick the option Middle Name. This will include an additional subfield between First and Last. You can also include an initial and a title if you require more information.
Here is a list of the most frequently asked questions. For more FAQs, please browse through the FAQs page.