Strater can import .XLS and .XLSX file types.
Strater can open one sheet of Excel spreadsheet data at a time. If you are importing an Excel file with multiple sheets, click the File | Open Multiple Data Files command in the table view.
Otherwise, the XLSX Import Options dialog will appear and only a single sheet can be selected. 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