>Thanks
>
>
>Colin

Located :) It was the same subject but with Word. Thread #788073.

Key location :
HKEY_Classes_Root\Excel.Sheet.8\EditFlags

If you want to manually do it :
-In explorer select Tools\Folder options
-On 'File types' tab locate XLS and click 'advanced'
-Uncheck 'Confirm open after download'

Cetin