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Programmatically save attachments from Outlook email items

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This example saves e-mail attachments to a specified folder when the mail is received in the inbox.

Important

This example works only if you add a folder named TestFileSave at the root of the C directory.

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.

Example

private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
    this.Application.NewMail += new Microsoft.Office.Interop.Outlook
        .ApplicationEvents_11_NewMailEventHandler(ThisApplication_NewMail);
}

private void ThisApplication_NewMail()
{
    Outlook.MAPIFolder inBox = this.Application.ActiveExplorer()
        .Session.GetDefaultFolder(Outlook
        .OlDefaultFolders.olFolderInbox);
    Outlook.Items inBoxItems = inBox.Items;
    Outlook.MailItem newEmail = null;
    inBoxItems = inBoxItems.Restrict("[Unread] = true");
    try
    {
        foreach (object collectionItem in inBoxItems)
        {
            newEmail = collectionItem as Outlook.MailItem;
            if (newEmail != null)
            {
                if (newEmail.Attachments.Count > 0)
                {
                    for (int i = 1; i <= newEmail
                       .Attachments.Count; i++)
                    {
                        newEmail.Attachments[i].SaveAsFile
                            (@"C:\TestFileSave\" +
                            newEmail.Attachments[i].FileName);
                    }
                }
            }
        }
    }
    catch (Exception ex)
    {
        string errorInfo = (string)ex.Message
            .Substring(0, 11);
        if (errorInfo == "Cannot save")
        {
            MessageBox.Show(@"Create Folder C:\TestFileSave");
        }
    }
}

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