Sub Recopier()
'Sheets("Intranet").Select
Der = Range("Commandes!A1").End(xlDown).Row
If Der > 300000 Then Der = 1
Der2 = Range("Intranet!A1").End(xlDown).Row
'Range("Commandes!A" & Der + 1 & ":H" & Der + Der2 - 1) = Range("Intranet!A2:H" & Der2).Value
Range("Intranet!A2:H" & Der2).Copy Destination:=Range("Commandes!A" & Der + 1 & ":H" & Der + Der2 - 1)
Range("Commandes!A:I").RemoveDuplicates Columns:=Array(1, 2, 3, 4, 5, 6, 7, 8), Header:=xlYes
End Sub