If you only want to copy the formatting of the text in a PowerPoint ... box without having to create a new theme. If you want to copy both text and its formatting, you can use the Keep Source ...

Launch Microsoft PowerPoint. Then insert a text box into your slide. A Shape Format tab will appear on your menu bar; click on it. Then click the Shape Outline button in the Shape Styles group.

A Microsoft Office PowerPoint 2010 slide is formatted to contain a single box in the center of the slide ... How to Create an EMF Format File How to Create an EMF Format File.