let
Source = Folder.Files(Excel.CurrentWorkbook(){[Name="CheminDossier"]}[Content]{0}[Column1]),
Filtr = Table.SelectRows(Source, each Text.StartsWith([Name], "resul")),
Transform = Table.TransformColumns(Filtr, { "Content", each Excel.Workbook(_, true )}),
Expand1 = Table.ExpandTableColumn(Transform, "Content", {"Data", "Kind"}, {"Data", "Kind"}),
Selections = Table.SelectRows(Expand1, each ([Kind] <> "DefinedName") and Text.Contains([Extension], "xls")) [[Name],[Data]],
Expand2 = Table.ExpandTableColumn(Selections, "Data", Table.ColumnNames(Selections[Data]{0}), Table.ColumnNames(Selections[Data]{0})),
ModType = Table.TransformColumnTypes(Expand2,{{"Date Compréhension Écrite", type date}, {"Date Compréhension Orale", type date}, {"Date Grammaire et Lexique", type date}})
in
ModType