Because CSV files are so simple, most spreadsheet apps can open and save CSV files. Here is how to do that in Excel: In Excel's ribbon, click the "File" tab and then click "Open." ...

Launch Microsoft Office Excel 2007 and open the spreadsheet that you wish to save in CSV format. Use the "Ctrl-O" keyboard shortcut to open the file faster.

Save your file in XLSX or XLS format, depending on whether you only work with other users of Excel 2010 or you send files to people who use older versions of the software. Advertisement Article ...

A CSV (comma-separated values) file is a simple text file in which information is separated by commas. CSV files are most commonly encountered in spreadsheets and databases. You can use a CSV file to ...