Upgrade to XLSX for smaller file sizes, enhanced security, modern collaboration features, and to prevent accidental data loss.

CoreXLSX is a library focused on representing the low-level structure of the XML-based XLSX spreadsheet format. It allows you to open a spreadsheet archive with .xlsx extension and map its internal ...

Add the CsvHelper.Excel.EPPlus namespace to your code and check the examples below. If you need to parse or write to a password-protected Excel document you will need to first create an instance of ...