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 ...

Launch OpenOffice, click "File" and choose "Open" from the menu to display the Open window. Select the CSV file and click "Open" to display the Text Import 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.