Yes, you can lock the header and footer in Word using the Restrict Editing feature offered in Microsoft office. The Restrict Editing feature limit how much others can edit and format the document.

This is the demonstration file to accompany the article, How to protect only the header and footer areas in a Microsoft Word document by Susan Harkins.

You don’t have to take up space in your document for details like title, author, or date. Here’s how to add and customize headers and footers in Word.

To change a document's header or footer in a Microsoft Word document, you should add a section break first. Follow these step-by-step instructions.

Learn how to insert Header or Footer, insert a page number, change the format of the page numbers or remove Header & Footer in Microsoft Word.

You can add page numbers in Word to the header or footer sections of a document using the page numbers option in the Insert menu.