Columns("A:CE").Select
Selection.EntireColumn.Hidden = True
If ComboBox3.Value = "blablabla" Then
Columns("AK:AV").Select
Selection.EntireColumn.Hidden = False
End If
If CheckBox20 = True Then
Range("k1:k1,p1:p1,v1:v1,ab1:ab1,ah1:ah1,ap1:ap1,av1:av1,bb1:bb1,bh1:bh1,bn1:bn1,bt1:bt1").Select
Selection.EntireColumn.Hidden = False
End If