Sub StyleKill()
'code d'Allen Wyatt
Dim styT As Style
Dim intRet As Integer
For Each styT In ActiveWorkbook.Styles
If Not styT.BuiltIn Then
intRet = MsgBox("Delete style '" & styT.Name & "'?", vbYesNo)
If intRet = vbYes Then styT.Delete
End If
Next styT
End Sub