Hi Mark,
If another user open it , you can test it
If Not ActiveWorkbook.ReadOnly Then
' ..........
end if
Regards,
Jean-Yves

"Mark" wrote in message
...
Hi,

I've file (excel 2k) with code vba. I notice some errors
if file opened more users at the same time. How I protect
my file?

Please me resolve this problem.

Regards
Mark