You may apply headings using Styles in the tool ribbon or using the Key commands Ctrl+Alt+1 (Windows) Highlight the text and format using the Font tools in the ribbon.But, with very minor modifications, they can be used for Office 2016 for Mac and Office 2010 for Windows as well. Note: The instructions below are mainly based on Office 2013 for Windows. This includes modifications needed for a low vision student or a student with other reading/visual processing issues. to globally modify content by changing one Style setting.export to a tagged PDF or to an InDesign template) to facilitate transition of content to other formats and preserve heading structure (e.g.to easily create table of contents by finding and listing content based on styles.to personalize and design your Word documents while using recommended styles such as Heading 1, Heading 2 and others.Modifying “Styles” in a Word document is a good technique to use the formatting tools in Word, while creating more accessible content.