Programmatically create an email item

This example creates an email message in Microsoft Office Outlook.

Applies to: The information in this topic applies to VSTO Add-in projects for Outlook. For more information, see Features available by Office application and project type.

private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
    CreateMailItem();
}
       
private void CreateMailItem()
{
    Outlook.MailItem mailItem = (Outlook.MailItem)
        this.Application.CreateItem(Outlook.OlItemType.olMailItem);
    mailItem.Subject = "This is the subject";
    mailItem.To = "someone@example.com";
    mailItem.Body = "This is the message.";
    mailItem.Importance = Outlook.OlImportance.olImportanceLow;
    mailItem.Display(false);
}

• Work with mail items
• Get started programming VSTO Add-ins