Here is the simplified directions: Drag the attachment "Villegas Cert" to your contacts list.
Here is the longer unsimplified directions:
Start up Outlook.
Double click the message from me.
The message should look like this:

If the message takes up the entire screen you will need to
restore down. Click
on the
message.
You will want to see your folder list as well as the
message. You want to see something like this.

If you don't have a folder list Click View. Make sure
folder list is selected. It should look like this.
If there is not a blue box
around the icon "Folder List" - click folder list.
On the message I sent you click on Villegas Cert and drag it
over to contacts. 
Using the folder list click contacts.
Right Click on Villegas Cert.
Click New Message to Contact.