Load a Workbook
To load a workbook, select the File tab, and click the Open button in the Common group (or press CTRL+O).
In the invoked Open dialog box, select the file you wish to open.
The Spreadsheet supports the following file formats.
- Excel Workbook (*.xlsx)
- Excel Macro-Enabled Workbook (*.xlsm)
- Excel 97-2003 Workbook (*.xls)
- Excel Template (*.xltx)
- Excel Macro-Enabled Template (*.xltm)
- Excel 97-2003 Template (*.xlt)
- Tab-delimited Text File format (*.txt)
- Comma-separated Values File format (*.csv)