Sub CopierFeuilleMultiple()
Dim n As Integer, i As Integer
On Error Resume Next
Application.ScreenUpdating = False
n = InputBox("Combien de copies voulez-vous créer?")
If n > 0 Then
For i = 1 To n
ActiveSheet.Copy After:=ActiveWorkbook.Sheets(Worksheets.Count)
ActiveSheet.Name = i
Next
End If
End Sub