You can use Forward to send a mail message on to someone else. Forwarding a message includes all file attachments, whereas using Reply preserves the body text and does not include the attachments.
Open the message to be forwarded.
On the bar above the message field, click Forward. .
Enter addressees in the To:, CC:, or BCC: fields.
Optionally, add a few lines of new text at the top such so that the recipient knows why you decided to forward it.
Click Send.