Voici le code :
let
Source = Excel.Workbook(File.Contents("C:\Users\chris\OneDrive\Documents\Lythia\Révision\P&L\6&7.xlsx"), null, true),
#"Grand-livre des comptes_Sheet" = Source{[Item="Grand-livre des comptes",Kind="Sheet"]}[Data],
#"Type modifié" = Table.TransformColumnTypes(#"Grand-livre des comptes_Sheet",{{"Column1", type any}, {"Column2", type text}, {"Column3", type text}, {"Column4", type text}, {"Column5", type any}, {"Column6", type text}, {"Column7", type any}, {"Column8", type text}, {"Column9", type any}, {"Column10", type text}, {"Column11", type any}, {"Column12", type number}, {"Column13", type datetime}, {"Column14", type text}, {"Column15", type number}, {"Column16", type any}, {"Column17", type any}, {"Column18", type number}})
in
#"Type modifié"