The file must be shared to be shared. So perhaps your file is set to be
shared.
http://www.officearticles.com/excel/...soft_excel.htm

************
Hope it helps!
Anne Troy
www.OfficeArticles.com

"RANDY" <RANDY@discussions.microsoft.com> wrote in message
news:45049D13-4D6C-4CF0-886B-48CB8D6A135B@microsoft.com...
> If one user open a file, how can I prevent the other user from open the
> file
> for editing. In the past Excel/Word normally display a read-only message
> when
> a file that is opened is being acced.
>
> Randy