Sub AjusterPolice()
Dim police#, cel As Range, h#, i%
police = 10 'maximum à adapter
Application.ScreenUpdating = False
For Each cel In [K4:K11,M4:M11,Y4:Y11] 'à adapter
cel.WrapText = True 'renvoi à la ligne
h = cel.RowHeight
For i = 10 * police To 1 Step -1
cel.Font.Size = i / 10 'pas de 0.1
cel.Rows.AutoFit 'ajustement hauteur
If cel.RowHeight <= h Then cel.RowHeight = h: Exit For
Next i, cel
End Sub