With Excel closed, try re-registering Excel in Windows by
clicking on Start | Run | Open: excel /unregserver | OK | Open:
excel /regserver | OK.

Taarfa wrote:
I need help to open my Excel files in desktop , my documents and others
folders. I have acces to my files only on application by FILE, Open. When I
try to open Excel in an other folder then it launch Microsoft Office 2000.
When I cancel the launch of Office a message shows the path of file and say
the file is not link with a program.