Comma-separated value (CSV) files are simplified versions of the type of spreadsheets you create with Excel and similar software. However, if you're trying to share data with people who use different ...

The Pivot Table is a tool that Excel uses to create custom reports from your spreadsheet databases. Once you select the portion of your spreadsheet that contains the target data, then define it as a ...

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 export ...

Microsoft Excel has an import wizard, but if you structure the text correctly, you can bypass the wizard altogether. We don’t open foreign files with Microsoft Excel—or do we? When importing a .txt or ...