See this:

http://www.cpearson.com/Excel/workbooktimebomb.aspx

--
Biff
Microsoft Excel MVP


"The Hun" wrote in message
...
Excel 2002

How do I enable an Excel file to self-destruct at a certain date, or
when there is an attempt to make any change to it? I don't just want
to preserve it. I want it to self-destruct.