Sub Doublons2()
Set f1 = Sheets("feuil1")
Set f2 = Sheets("feuil2")
Set champ = f1.Range("A2:A" & f1.[A65000].End(xlUp).Row)
Set mondico = CreateObject("Scripting.Dictionary")
f2.[A2:F100].ClearContents
For Each c In champ
temp = c.Value & c.Offset(, 3).Value & c.Offset(, 4).Value
mondico.Item(temp) = mondico.Item(temp) + 1
Next c
ligne = 2
For Each c In champ
temp = c.Value & c.Offset(, 3).Value & c.Offset(, 4).Value
If mondico.Item(temp) > 1 Then
c.Resize(, 6).Copy f2.Cells(ligne, 1)
ligne = ligne + 1
End If
Next c
f2.[A1].CurrentRegion.Sort Key1:=f2.[A1], Order1:=xlAscending, Header:=xlYes
End Sub