How do I change to rich text formatting?

[Marlie]

I have to email a document, as an attachment, from Word. It is supposed to
be put in "rich text format". What is this and how do I do it?

 

[grammatim]

It should be an option under "Save As."

 

[mexc]

Rich Text Format (RTF) is a method of encoding formatted text and graphics
for use within applications or for data and formatting transfer between
applications.
go through
http://office.microsoft.com/en-us/word/HP010044771033.aspx