MonthName - with\without Abbrevation

     

    Private Sub CommandButton1_Click()
    Dim max As Integer
    max = 12
    For i = 1 To max
    Range("A" & i).Value = MonthName(i, True)
    Range("B" & i).Value = MonthName(i, False)
    Next
    Columns(1).AutoFit
    Columns(2).AutoFit
    End Sub

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