title: HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG), error, my website is on azure cloud
body: <p>This error is coming when i am writing excel file thru c# code using interop from website url. It is working perfectly fine on local machine. after running publish of my website to Azure Cloud base server. It is not working on website url.</p>
  
  <p>If i have to install MS Excel on Azure, how can i do that.</p>
  
  <p>and</p>
  
  <p>If there is any other solution, please guide me.</p>