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.

Learn how to export an Access database to Excel. When you export data from Access to Excel, Access stores the copied data in a file that can be open in Excel.

Importing data into Excel from other sources can result in long, messy strings of text you need to parse. We'll show you how.