Change the default font in Word - Microsoft Support
To use your favorite font in Word all the time, set it as the default. Go to Home , and then select the Font dialog box launcher at the bottom right corner of the Font group, or press CTRL+D . Select the font and size you want to use.
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.
Add and remove styles from the Quick Styles gallery
In Microsoft Office Word, styles are reusable sets of formatting options that you can apply to text. For example, suppose you want the headings in your document to appear in bold and in a particular color and font size.
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.
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.
Change the capitalization or case of text - Microsoft Support
You can change the capitalization, or case, of selected text in a document by selecting a single button on the Home tab called Change Case.
Apply styles - Microsoft Support
You can use pre-defined styles like Heading, Title, and Normal so that each heading level (or other style) always has the same font and size every time it's used in your document—and if you decide later that you want to customize the style, your change will …
Change the font size - Microsoft Support
Select the text or cells with text you want to change. To select all text in a Word document, press Ctrl + A. On the Home tab, click the font size in the Font Size box.
Add and format text - Microsoft Support
To add text, place the cursor where you want and start typing. Select the text you want to format. To select a single word, double-click it. To select a line of text, click to the left of it. Select an option to change the font, font size, font color, or make the text bold, italic, or underline. Select the text with the formatting you want to copy.
Change the default text color (font color) in Word
Go to Home and select the Font dialog launcher . Select the arrow next to Font color , and then choose a color. Select Set As Default and then select one of the following:
Add and remove styles from the Quick Styles gallery
In Microsoft Office Word, styles are reusable sets of formatting options that you can apply to text. For example, suppose you want the headings in your document to appear in bold and in a particular color and font size.