Aspose.Words Save using OpenInBrowser doesn't work with docx files

I have a web page where I create a document and open it in the browser. I have tested with both .doc and .docx files as I would prefer to move to the new format. The following code (using .docx) opens up word, but no document. If I change the code to use .doc everything works fine.

string strOutputFileName = "Test.docx";
Document oWordDoc = new Document();
DocumentBuilder oWordBuilder = new DocumentBuilder(oWordDoc);
oWordBuilder.ParagraphFormat.Alignment = ParagraphAlignment.Center;
oWordBuilder.Font.Bold = true;
oWordBuilder.Font.Name = "Tahoma";
oWordBuilder.Font.Size = 14;
oWordBuilder.Font.Underline = Underline.Single;
oWordBuilder.Writeln("Title");
oWordDoc.Save(strOutputFileName, SaveFormat.Docx, SaveType.OpenInBrowser, Response);

Hello

Thanks for your request. You should just add Response.End(); after sending document to the client browser.
Hope this helps.
Best regards,

That did the trick. Thanks.