open outlook file using html object

Question

 <object data="data:application/pdf;base64, <%: pdfBase %>" type="application/pdf" width="100%" height="1000" download="KYC.pdf">
      
                            If you are unable to view file, you can download from <a href="data:application/pdf;base64, <%: pdfBase%>">here</a>;

                        </object>

 

 

I am using this code to open pdf file. In this way, how to open outlook file (.msg) file.

 

anybody know, help me...