How to open a CSV file in Microsoft Excel 1. In Excel's ribbon, click the File tab and then click Open. 2. Click Browse and, in the File Explorer box, click the drop-down menu to the right of the ...

Select the CSV file and click "Open" to display the Text Import window. You can visualize how the data will be displayed in OpenOffice using the Preview pane near the bottom of the window.

When performing routine scripting, it's a frequent need to append rows to the CSV rather than replacing the entire file. To add rows, rather than replacing the file, we can use the Append parameter.