Sub Exporter()
Dim Chemin As String, Nom As String, Chemin_Complet As String
'// On bloque le rafraichissement de l'écran + affichage d'erreur + calcul automatique
Application.ScreenUpdating = False
Application.DisplayAlerts = False
Application.Calculation = xlCalculationManual
Set Newbook = Application.Workbooks.Add 'creation
Chemin = ThisWorkbook.Path & "\"
Nom = InputBox("Nom du fichier à sauvegarder :", "Nom fichier")
Chemin_Complet = Chemin & Nom & ".xlsm"
Newbook.SaveAs Filename:=Chemin_Complet, FileFormat:=xlOpenXMLWorkbookMacroEnabled, CreateBackup:=False
Workbooks("Test").Activate
ThisWorkbook.Sheets("1").Copy
ActiveWorkbook.SaveCopyAs Filename:=Chemin_Complet
ThisWorkbook.Sheets("2").Copy
ActiveWorkbook.SaveCopyAs Filename:=Chemin_Complet
ThisWorkbook.Sheets("3").Copy
ActiveWorkbook.SaveCopyAs Filename:=Chemin_Complet
'// On débloque le rafraichissement de l'écran + affichage d'erreur + calcul automatique
Application.ScreenUpdating = True
Application.DisplayAlerts = True
Application.Calculation = xlCalculationAutomatic
End Sub