To insert a Section Break at the beginning of each chapter of your Word file, put the cursor at the beginning of each chapter and select. A chapter heading will be created for every Section Break in your document, so only use a Section Break where you want a chapter heading to be created. To create chapter headings, insert a Section Break at the beginning each Chapter.Some tips for how best to format your Word document to improve the look of your eBook: EBook Formatting Guidelines for Microsoft Word Documents