How to Open Multiple CSV Files in One Excel Spreadsheet. The CSV file extension appears on text documents that contain comma-separated values. Like spreadsheet data, each line in a CSV file ...

If you want to convert Google Earth KML files to Excel (XLS, XLSX) or CSV format, you can use these free converter software and online tools.

Creating CSV File With Excel If you have Microsoft Office installed, you can easily import or export CSV files from Excel using the method described by Microsoft.

If you've encountered a CSV file and you're unsure what they're for, the good news is they're pretty straightforward and easy-to-use with apps you already know.