Try :-
Dim lngSize As Long
Dim strFileName As String
strFileName = Application.CurrentProject.FullName
lngSize = FileLen(strFileName)
Having said that, if you have not split the database then you should
when you have completed the design. You could then monitor the
back-end size (if you need to), the front-end size should not really
change that much.
HTH
Peter Hibbs.