Thanks for posting your question, there is only one to curve the text and that is word art, you can follow the steps below to do that, but as this is a text editing application and not a designing application, like Photoshop or Coral Draw, you will not get the best result.
1. Open the Word document that you want to create the circular text in.
2. CLick on the “Insert” tab, then click on “Word Art”, and click on the style of text you are interested in.
3. A “Drawing Tools” tab will appear above the “Format” tab. Below the format tab, click on “Text Effects”. (The button for this is the letter, A with a blue glow around the edges).
4. CLick on “Transform” in the drop down menu, then click on the shape you want your text to follow. If you are not sure what shape you want, just point to each one, and your text will change to reflect that choice.
Please reply me back, if you have any further queries about this issue.