Private Sub Worksheet_BeforeDoubleClick(ByVal Target As Range, Cancel As Boolean)
' Ensure the target is D1
If Not Intersect(Target, Me.Range("D1")) Is Nothing Then
Cancel = True ' Cancel default double-click action
' Trigger ASAP Utilities Date Picker
On Error Resume Next
Application.Run "'ASAP Utilities.xlam'!ASAPRunProc", 285
On Error GoTo 0
End If
End Sub