After you insert page numbers into the footer, you have a number of formatting options you can use. You can choose to display the page numbers as regular numbers, Roman numerals or letters, and ...

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.

How Do I Change My Header From Numbers to Roman Numerals in the Microsoft Word Processor?. Microsoft Word 2013 uses standard numbers as the default page numbering scheme for your document.