MapViewer can import .XLS and .XLSX file types.
Importing an Excel File with Multiple Sheets
MapViewer can import one sheet of Excel spreadsheet data at a time. If you are importing an Excel file with multiple sheets, the XLS Import Options dialog will appear. Select one sheet to import and click the OK button.
Select the sheet to import in
the XLSX Import
Options dialog.
See Also
Excel .XLS, .XLSX Data File Description
Excel .XLS Import Options Dialog