Whether you want to add a little flair, or you want some text to flow along with the curve of another element (like clip art or a logo), making your letters curve along a path in Word is pretty easy.
First, click “Insert” on the main Word ribbon.
Click “WordArt” from the text options.
Select the style you want your WordArt to be. You can go for anything from plain-looking text to something super-fancy.
Type your text in your newly selected WordArt box.
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Source: How-To Geek