Function ChangeDefaultValueInTables()
Dim tblDefs As TableDefs
Dim tbl As TableDef
Dim fld As Field
Dim ChangeCounter As Integer
Dim OldValue
Dim NewValue
OldValue = "2300" 'if its a nummeric field remove the quotes
NewValue = "2400"
ChangeCounter = 0
Set tblDefs = CurrentDb.TableDefs
For Each tbl In tblDefs
For Each fld In tbl.Fields
If fld.DefaultValue = OldValue Then
fld.DefaultValue = NewValue
ChangeCounter = ChangeCounter + 1
End If
Next
Next
MsgBox "Fields changed " & ChangeCounter
Set tblDefs = Nothing
End Function