Битрикс: Экспорт в Excel

component.php

if ($bExcel)
{
	$APPLICATION->RestartBuffer();

	// hack. any '.default' customized template should contain 'excel' page
	$this->__templateName = '.default';

	Header("Content-Type: application/force-download");
	Header("Content-Type: application/octet-stream");
	Header("Content-Type: application/download");
	Header("Content-Disposition: attachment;filename=tasks.xls");
	Header("Content-Transfer-Encoding: binary");

	$this->IncludeComponentTemplate('excel');

	die();
}