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 ...

Joining or merging two columns together in Excel is something every business owner will need to do eventually. If you're importing data from another source, like a CSV file containing prospect ...

Microsoft Excel has an import wizard, but if you structure the text correctly, you can bypass the wizard altogether.