1. In page edit mode, create Excel-like tables macro (type /ex)

  2. Select the "FILE" tab

  3. Select the "Import" tab

  4. Select the "Excel File" tab

  5. Push the "Import Excel File" button then, select your xlsx file on a dialog

  6. After loading it, the imported Excel file will appear

  7. Save it via the "Save" button, then exit via the "Exit to Confluence" button