Attachment not appearing in Outlook 2016
问题 I created an email with Windows.ApplicationModel.Email.EmailMessage and I added an Attachment to it with the code below: var stream = RandomAccessStreamReference.CreateFromFile(file); var attachment = new EmailAttachment(file.Name, stream); emailMessage.Attachments.Add(attachment); await EmailManager.ShowComposeNewEmailAsync(emailMessage); In the default Mail client found on Windows 10, the attachment appears as an attachment. However the attachment does not appear at all in Outlook 2016 with