Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As
Boolean)
Dim sh As Worksheet
For Each sh In ThisWorkbook.Worksheets
If sh.Evaluate("SUMPRODUCT(--(ISERROR(" & _
ActiveSheet.UsedRange.Address & ")))") 0 Then
MsgBox "Errors in file"
Cancel = True
Exit For
End If
Next sh
End Sub

'This is workbook event code.
'To input this code, right click on the Excel icon on the worksheet
'(or next to the File menu if you maximise your workbooks),
'select View Code from the menu, and paste the code

--

HTH

RP
(remove nothere from the email address if mailing direct)


"pmms" wrote in message
...
I'm using IF conditions to check certain cells for negative numbers - if
they're negative the output is "ERROR". I wanted to know if there is a
way
to prevent the file from being saved if "ERROR" is in any cell in the
workbook.