Convertir plusieurs fichiers CSV en Xlsx

Option Explicit
Sub ConvertCSVToXlsx()
    Dim myfile As String
    Dim oldfname As String, newfname As String
    Dim workfile
    Dim folderName As String
    
    Application.DisplayAlerts = False
    Application.ScreenUpdating = False
    
'   Capture name of current file
    myfile = ActiveWorkbook.Name
    
'   Set folder name to work through
    folderName = "C:\Users\LePivert\Documents\Nouveau dossier\" 'adapter chemin du dossier où se trouve les CSV
    
'   Loop through all CSV filres in folder
    workfile = Dir(folderName & "*.CSV")
    Do While workfile <> ""
'       Open CSV file
        Workbooks.Open Filename:=folderName & workfile
'       Capture name of old CSV file
        oldfname = ActiveWorkbook.FullName
'       Convert to XLSX
        newfname = folderName & Left(ActiveWorkbook.Name, Len(ActiveWorkbook.Name) - 4) & ".xlsx"
        ActiveWorkbook.SaveAs Filename:=newfname, FileFormat:=xlOpenXMLWorkbook, CreateBackup:=False
        ActiveWorkbook.Close
'       Delete old CSV file
        'Kill oldfname
        Windows(myfile).Activate
        workfile = Dir()
    Loop
    
    Application.DisplayAlerts = True
    Application.ScreenUpdating = True
End Sub

Sub CSVtoXLS()
'UpdatebyExtendoffice20170814
    Dim xFd As FileDialog
    Dim xSPath As String
    Dim xCSVFile As String
    Dim xWsheet As String
    Application.DisplayAlerts = False
    Application.StatusBar = True
    xWsheet = ActiveWorkbook.Name
    Set xFd = Application.FileDialog(msoFileDialogFolderPicker)
    xFd.Title = "Select a folder:"
    If xFd.Show = -1 Then
        xSPath = xFd.SelectedItems(1)
    Else
        Exit Sub
    End If
    If Right(xSPath, 1) <> "\" Then xSPath = xSPath + "\"
    xCSVFile = Dir(xSPath & "*.csv")
    Do While xCSVFile <> ""
        Application.StatusBar = "Converting: " & xCSVFile
        Workbooks.Open Filename:=xSPath & xCSVFile
        '
        'Répartir les données dans des colonnes en utilisant le séparateur ";"
        ActiveWorkbook.ActiveSheet.Columns("A:A").Select
        Selection.TextToColumns Destination:=Range("A1"), DataType:=xlDelimited, _
        TextQualifier:=xlDoubleQuote, ConsecutiveDelimiter:=False, Tab:=False, _
        Semicolon:=True, Comma:=False, Space:=False, Other:=False

        ActiveWorkbook.SaveAs Replace(xSPath & xCSVFile, ".csv", ".xls", vbTextCompare), xlNormal
        ActiveWorkbook.Close
        Windows(xWsheet).Activate
        xCSVFile = Dir
    Loop
    Application.StatusBar = False
    Application.DisplayAlerts = True
End Sub