Which of the following is not a feature of word processing software?

Word processing software is designed to create, edit, format, and print documents, and it typically includes several features that enhance these tasks. Notable features include spell check, which automatically identifies and suggests corrections for spelling errors; text formatting options, allowing users to modify font styles, sizes, and colors; and page layout tools that help define the arrangement of text, images, and other elements on the page.

The ability to handle "Array Document Protocols" is not a recognized feature within the functionalities associated with standard word processing software. This term does not relate to the capabilities typically expected from word processors, making it the correct choice for the option that is not a feature of such software. By focusing on the functions that are truly aligned with word processing, it becomes clear why this option stands apart from the others.