How do I add page numbers to a header or footer in word2016?
1. Double-click the area of the header (top of the page) or the footer (at the bottom of the page) to open the Design tab under the Header and footer tools.
2. In the position group, insert the Alignment tab, select the alignment, accept the center of the default setting, or select left or right, and then select OK.
3. In the Insert Group, select the document Parts > Fields and Fields dialog box to open.
4. In the field Name list, select the page, select the number format you want under the field properties, and then select OK.
5. To return to the body of the document, choose to close the header and footer.
Attention matters
You may find it helpful to view not only the contents of your header or footer area, but also the formatting marks in these areas
On the Start tab, in the Paragraph group, select Show/Hide (¶) to open the display formatting markers. Select this button to turn off the display.