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 ...

I haven't done this in a while and didn't do it much, but can you use ADO to access the Excel file?

ASP.NET Core offers a simplified hosting model, called minimal APIs, that allows us to build lightweight APIs with minimal dependencies. We’ve discussed minimal APIs in several earlier posts here.