Refer the below link. Also make sure you have your latest service pack
installed..
http://office.microsoft.com/en-us/ex...500511033.aspx
If this post helps click Yes
---------------
Jacob Skaria
"KatCook" wrote:
Suddenly, I can no longer save my workspaces in 2007. The error message says
I must choose another extension, but .xlw is the only one I know.