LoadFromTextAsync - DON-PHAM/EPPlus GitHub Wiki
Async version of the LoadFromText method.
using (var pck = new ExcelPackage())
{
var sheet = pck.Workbook.Worksheets.Add("sheet");
var file = new FileInfo("c:\\temp\\my_file.txt");
await sheet.Cells["C1"].LoadFromTextAsync(file);
}
See the LoadFromText method for a detailed description.