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'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.

Click "Open." In the drop-down box labeled "File name," type "*.csv" without quotes and press "Enter." Use the file manager to locate the folder containing the CSV file you created in Excel.

You can convert JSON files to Microsoft Excel CSV file formats using this hidden built-in feature. We show you how to do it.

With the data in Power Query, you can start extracting sections. How to extract delimited strings using Extract options in Power Query There are really two ways to extract data in Power Query.