Sub PiedPagePerso()
Dim f As Worksheet
For Each f In ActiveWorkbook.Worksheets
With f.PageSetup
.LeftFooter = '&''Arial,Gras''&20&U' & f.Range('A1')
.CenterFooter = '&''Arial,Gras''&20&U' & f.Range('B1')
.RightFooter = '&''Arial,Gras''&20&U' & f.Range('C1')
End With
Next
End Sub