Sub CreeClasseurs()
Set f = Sheets("export_ventes de bouteilles par")
Application.DisplayAlerts = False
[M1] = [I1]
f.[A1:I10000].AdvancedFilter Action:=xlFilterCopy, CopyToRange:=[M1], Unique:=True
For Each c In Range("M2", Range("M65000").End(xlUp))
Range("M2") = c
Sheets.Add
f.[A1:I20000].AdvancedFilter Action:=xlFilterCopy, _
CriteriaRange:=f.[M1:M2], CopyToRange:=[A1], Unique:=False
ActiveSheet.Copy
tmp = Left(Replace(c, " ", "_"), 31)
ActiveSheet.Name = tmp
ActiveWorkbook.SaveAs Filename:=tmp
ActiveWorkbook.Close
ActiveSheet.Delete
f.Select
Next c
End Sub