This video shows how to use the Format Painter in Microsoft Word.
First format the text.
Now, select the text that you want to copy formatting. Click on the Format Painter icon, located in the Clipboard group.
Paste the formatting on other text.
Clicking the Format Painter once allows you to paste formatting once. Double-clicking the icon allows you to paste formatting repeatedly.
To exit the Format Painter, click it again, or press the escape key on your keyboard.