I've been using MathType Equation Editor to create Equations in Word. They key feature I have been using is the one where you type TeX equation and render it as an equation object. This generates objects that are of "MathType format". However, for purposes of submitting my document to a publisher, I was told I need these to be in "Equation Editor format". Is there a way to convert from MathType to this format?

I'm not sure what the difference between the formats is. All I did was install the MathType software in the above link and then inserted equations into my Word document using Insert -> Object -> Microsoft Equation Object.

I'm using Mac OS X 10.6.3 with Microsoft Word 2008 (Version 12.0.0).