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

Learn how to merge multiple CSV files into one Excel sheet. You can combine or join more than one CSV file into one Excel Worksheet.

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 ...

And while you can import CSV files into Excel and work with them there, it can get confusing—you have to keep track of which Excel features work in CSV files, and which do not.

You can convert Google Sheets files to Excel files easily by using the "Download" options in Google Sheets.