In the code that will open the file (by automation) bracket the file open
command with:
Application.EnableEvents=False
'your file open command goes here
Application.EnableEvents=True
HTH Otto
"Radu" wrote in message
...
Hi. An excel file is opened by people, but also by code from a VB
application.

I would like the code in Workbook_Open to run whenever the file is
opened by a human, but not to run when the file is opened by
automation.

Any ideas ?

Thank you very much
Alex.