RevisionNumber Property Example
This example uses the revision number to determine whether the active workbook is open in exclusive mode. If it is, the example saves the workbook as a shared list.
If ActiveWorkbook.RevisionNumber = 0 Then
ActiveWorkbook.SaveAs _
filename:=ActiveWorkbook.FullName, _
accessMode:=xlShared, _
conflictResolution:= _
xlOtherSessionChanges
End If