i need this page as word document,content type="application/word"
is not supporting here.this is my code
<messaging:emailTemplate subject="Test Email" relatedToType="Invention_Disclosure_New__c">
<messaging:attachment renderAs="PDF" filename="{!relatedTo.Title__c}_Invention Disclosure questionaire.pdf">
<html>
<head/>
<body>
<div>What is the invention? What are features of the invention and how do they solve the problem? Describe your implementation(s) of the invention using examples. (Tip: describe your invention as thoroughly as possible so that the reader can use this description to build the system that solves the problem.)
</div>
<div>{!relatedTo.Detailed_Description__c}</div>
</body>
</html>
</messaging:attachment>