If Statement in VB

I am looking to get my vb code to do a simple thing, i need it to look at a date on my excel doc and to flag a messagebox that it cannot run due to date passed only if the date is exceeded otherwise i would like the code to complete?? I am very new to all this also

If Now >= cell value"e8" Then MsgBox "Cannot Submit Form" Else


'create the text file
Open strFile For Output As intFile

'Start going through list

intRowCount = 17

With Sheets("DevSlots")
    Do Until .Cells(intRowCount, 1) = ""
    Time = .Cells(intRowCount, 2)
    SchedDate = .Cells(intRowCount, 3)
    EndTime = .Cells(intRowCount, 4)
    
            For colIndex = 6 To 45
                      If .Cells(intRowCount, colIndex).Value = "" Then
                      Else: Print #intFile, .Cells(intRowCount, colIndex) & "|" & "DevSlot" & "|" & Format(SchedDate, "YYYYMMDD") & "|" & Format(Time, "hh:mm") & "|" & Format(EndTime, "hh:mm")
                      End If
            Next colIndex
                    
        intRowCount = intRowCount + 1
    Loop
End With

Close intFile

End Sub