Which of the following is a common element in an MS Word 365 document's header or footer?

Correct option is C

Page numbers are commonly used in the header or footer sections of MS Word documents to provide navigation and organization. They are added through the Insert tab under the "Header & Footer" group.
Important Key Points:
1. Page numbers are crucial for large documents to improve readability and structure.
2. They can be customized to appear in different styles or formats.
3. Headers and footers are used for repetitive elements like page numbers, document titles, and dates.
Knowledge Booster:
· Document title: Typically included in the main body or header, but not exclusively in headers or footers.
· Bullet points: Used in the main body for lists, not in headers or footers.
· Font color: Can be adjusted for text but is not a structural element in headers or footers.