Save your file in XLSX or XLS format, depending on whether you only work with other users of Excel 2010 or you send files to people who use older versions of the software. Advertisement Article ...

Launch Microsoft Office Excel 2007 and open the spreadsheet that you wish to save in CSV format. Use the "Ctrl-O" keyboard shortcut to open the file faster.

A CSV (comma-separated values) file is a simple text file in which information is separated by commas. CSV files are most commonly encountered in spreadsheets and databases. You can use a CSV file to ...

To merge multiple CSV files into one Excel sheet, follow these steps: Create a new folder and paste all the CSV files into that. Open the folder. Right-click on an empty space and select the Open ...

Learn how to use the ClosedXML NuGet package to export data as a CSV or XLSX file for Excel from an ASP.NET Core application. When building web applications, you will often need to import or ...