Customize or create new styles - Microsoft Support
You can change the formatting (such as font size, color, and text indentation) in styles applied to titles, headings, paragraphs, lists, and so on. You can also select formatted text in your document to create a new style in the Styles gallery.
Add and remove styles from the Quick Styles gallery
You can apply a specific style quickly and easily from the Styles gallery on the Home tab. You can also manage the contents of the gallery by adding new or other popular styles and deleting those that you don't need.
Apply styles - Microsoft Support
Customize or create new styles in Word. Insert a table of contents. Select text and apply a style such as a title, header, or paragraph using the Styles gallery.
Design and edit in Word - Microsoft Support
Design and edit in Word. Use Styles. Styles templates apply a consistent font, font size, font color, and spacing to headings, paragraphs, and titling throughout your document. Select the words, paragraph, list or table to edit. On the Home tab, select a style.
Modify or create headings and other styles - Microsoft Support
Styles in Word allow you to choose the look for headings, regular text, and even callouts or other custom text needs. You'll be able to choose the font, size, color, paragraph alignment, spacing, and more.
Change a theme and make it the default in Word or Excel
Document themes make it easy to coordinate colors, fonts, and graphic formatting effects across your Word, Excel, and PowerPoint documents and update them quickly. This video show you how-to change the entire theme, read below to just customize theme fonts, colors, or effects.
Word for new users - Microsoft Support
When you’re done applying styles to the individual elements, Word lets you use a style set to change the look of your whole document all at once. Design tab, in the Document Formatting group, choose one of the predefined style sets, such as Basic or Casual.
Add shapes - Microsoft Support
Insert or delete shapes with text or bullets to your document, and apply styles and colors.
Apply themes - Microsoft Support
Apply a theme to quickly format an entire document and give it a modern, professional look. Select Design > Themes. Point to a theme to preview how it will look in your document.
Choose a SmartArt graphic - Microsoft Support
The Choose a SmartArt Graphic gallery displays all available layouts broken into eleven different types — All Picture, and Other. (The type shows additional layouts available on Office.com. The type appears only if you add custom SmartArt graphics …
Add a border to a page - Microsoft Support
Enhance your document's pages using a wide range of styles, settings, colors, and clip art to create an attractive border for your pages.