Contains information about the e-mail signatures used by Microsoft Word when you create and edit e-mail messages and replies. There is no EmailSignatures collection; each EmailOptions object contains only one EmailSignature object.
Using the EmailSignature Object
Use the EmailSignature property to return the EmailSignature object.
This example changes the signatures Word appends to new outgoing e-mail messages and e-mail message replies.
With Application.EmailOptions.EmailSignature
.NewMessageSignature = "Signature1"
.ReplyMessageSignature = "Reply2"
End With