Hi there,
I'm not sure if this answers your question, but you can add a digital signature to a Word document. For information on the features of the digital signature (and formatting options) check out:
http://office.microsoft.com/en-us/wo...997681033.aspx.
If this is not what you meant by your question, please clarify and I will do my best to answer more accurately!
Cheers,
Isabella
MSFT Office Outreach Team