If you want to Convert HTML File to Excel and open Excel, you can convert HTML file to Excel if you run the code block below with Run CMD.
"$xlSLSXType = 51 ;
$xl = New-Object -ComObject Excel.Application; $xl.Visible = $false;
$wb = $xl.Workbooks.Open('C:\Users\user\Desktop\Google.html');
$xl.ActiveWorkbook.SaveAs('C:\Users\user\Desktop\html-to-excel.xlsx',$xlSLSXType,$missing,$missing,$missing,$missing,$missing,$missing,$missing,$missing,$missing,$missing);
$xl.Quit()"