How do I get an attatchment to open in a different program?

I have told it to always use a specific program to open attatchments, how do I change this?|||download that attachment ... once you have, you can right click on that file , then choose open with... it should give you a list of programs available. choose one. if y ou want to use that program permanently have that box that says %26quot;always use the selected program to open this kind of file%26quot;.|||save the attachment, right click the saved attachmendt, click properties, click change button find new program to use, click ok-ok