How to open and display .eml Microsoft outllook file in ASP .NET C# in a new tab

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How to open and display .eml file (microsoft outlook) from a folder i have .eml file in a particular folder in asp .net c# in a new tab

What I have tried:

on Link button Click code

var path = Server.MapPath(Path);

        var cd = new System.Net.Mime.ContentDisposition();
        cd.FileName = path;
        cd.Inline = false;

        Response.AddHeader("Content-Disposition", cd.ToString());
        Response.TransmitFile(path);
        Response.ContentType = "application/vnd.ms-outlook";
        Response.Flush();
        Response.End();

Posted 9-Jun-20 23:11pm

Khan Sameer

Updated 10-Jun-20 6:30am

v3

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Richard Deeming · Answer 1 · 2020-06-10T00:18:00

If you want the file to be displayed in the browser, the user will need to have an application capable of displaying it in the browser, and you will need to set Inline to true.

If you set Inline = false, that forces the browser to download the file, even if it is capable of displaying it within the browser.

To display a MIME message in the browser regardless of the user's software, you'll need to parse it yourself and render the relevant parts in an HTML view. The best tool to parse the message in C# is probably MimeKit[^].