Bonjour,
Sub SansAccents()
Dim n As Integer
a$ = "ÀÁÂÃÄÅÈÉÊËÌÍÎÏÑÒÓÔÕÖÙÚÛÜÝàáâãäåèéêëìíîïðñòóôõöùúûüýÿ-"
b$ = "AAAAAAEEEEIIIINOOOOOUUUUYaaaaaaeeeeiiiionooooouuuuyy "
For n = 1 To Len(a)
Range("A:A").Replace What:=Mid(a, n, 1), Replacement:=Mid(b, n, 1), LookAt:=xlPart, _
SearchOrder:=xlByRows, MatchCase:=False, SearchFormat:=False, ReplaceFormat:=False
Next
End Sub