Note that if you use PhpSpreadsheet and PhpWord extensions, the data is not outputted to $this->ExportDoc->Text, you need to write your own custom export code that works for the PhpSpreadsheet and PhpWord libraries, you may refer to the source code in the extension as example.Another approach is to custom the Export classes, read: https://discourse.hkvstore.com/t/phpspreadsheet-and-titles/723/1