批量刪除多個相同格式內容的Excel表格的列

Sub Del_Col()
Application.DisplayAlerts = False
Dim myFiles As String
Dim myExcels As String
With Application.FileDialog(msoFileDialogFolderPicker)
.Show
.AllowMultiSelect = False
.Title = "請選擇要刪除列的文件所在文件夾"
myFiles = .SelectedItems(1)
End With
myExcels = Dir(myFiles & "\" & "*.xls*")
Do While Len(myExcels) <> 0
Workbooks.Open (myFiles & "\" & myExcels)

Worksheets(1).Columns("H:H").Delete
Worksheets(1).Columns("F:F").Delete
Worksheets(1).Columns("E:E").Delete
Worksheets(1).Columns("C:C").Delete
Worksheets(1).Columns("B:B").Delete

ActiveWorkbook.Save
Workbooks(2).Close
myExcels = Dir
Loop
Application.DisplayAlerts = True
MsgBox "刪除完成"
End Sub