Use the Workbook level BeforeSave event.

If the workbook isn't saved, there is no need to validate the data


See Chip Pearson's page on events
http://www.cpearson.com/excel/events.htm


--
Regards,
Tom Ogilvy


"Atram Informatika" wrote in message
...
How can I validate data when i exit excel aplication or when i save
workbook?
If data not valid then i must display message and do not exit aplication,
or
save document.

Thank's