Final answer:
To switch back to editing the main text from the header or footer, double-click outside the header/footer area or press 'Esc'. Remember to review and save any changes made with Track Changes before finalizing the document.
Step-by-step explanation:
To switch from editing the header and footer back to the main text of a Word document, simply double-click anywhere outside the header or footer area on the page, or press the 'Esc' key on your keyboard. This action will take you out of the header/footer edit mode and back to the main document area where you can continue editing the main text.
If you're reviewing a document with Track Changes turned on, ensure that you've accepted or rejected all changes and removed any comments before finishing. You can manage changes by clicking the Review tab and using the Accept and Reject options in the tools ribbon. When your review is complete, always remember to save your document to preserve your work.