Opening CSV files using spreadsheet software is a straightforward process. In Excel, click "File," choose "Open," and locate your CSV file. That's all there is to it. Your data should be ...

How to import Microsoft Excel spreadsheets into Apple Numbers This procedure works with .xlsx and .xls file formats. You can also import .csv and tab-delimited files.

Go to the File Types tab, scroll down to Microsoft Excel Worksheet (.xls not .csv) and click Advanced. Uncheck 'Browse in same window' (or 'Open Web documents' in place) and OK.