Private Sub Workbook_Open()
For Each ws In Sheets
With ws
If .Name <> "Data" then 'Si nom de la feuille <> "Data"
.Unprotect Password:="soleil"'On déprotège toutes les feuilles
.Protect Password:="soleil", UserInterfaceOnly:=True 'On protège
.EnableOutlining = True
End If
End with
Next ws
Sheets("Feuil1").Activate
End Sub