New and improved version...

Sub FilterOnBlankCells()
Dim OneRng As Range, c As Range, sBlanks$, vMsg

Set OneRng = Range("N1:N" & Cells(Rows.Count, "N").End(xlUp).Row)
On Error GoTo ErrExit

For Each c In OneRng.SpecialCells(xlCellTypeBlanks)
sBlanks = sBlanks & "|" & c.Address
Next 'c

ErrExit:
If Err = 0 Then
vMsg = "Blanks found on the following cells:" & vbLf & vbLf
vMsg = vMsg & Join(Split(Mid(sBlanks, 2), "|"), vbLf)
Else
vMsg = "No blanks found"
End If
MsgBox vMsg, vbInformation
End Sub

--
Garry

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