Bonjour JEROME M, le forum,
Un essai ....par macro...
Sub Test()
Dim Tablo, i As Integer
Tablo = Split(Range("A1").Value, ";")
Application.ScreenUpdating = False
For i = 0 To UBound(Tablo)
Range("A" & i + 1) = Trim(Tablo(i))
Next i
End Sub
Cordialement,