What is the difference between Your Excellency and His Excellency?
Herein, who is addressed as Your Excellency?
Your Excellency is a courtesy title used when addressing foreign officials including high foreign national officials such as president and cabinet minister, and foreign diplomats with the rank of ambassador and accredited minister. Your Excellency is also used with the governors of certain U.S. states.
Also know, how do you use her excellency?
Excellency. You use expressions such as Your Excellency or His Excellency when you are addressing or referring to officials of very high rank, for example ambassadors or governors.
Americans address American ambassadors as "The Honorable" but address foreign ambassadors as "Your Excellency". Foreign chargés d'affaires are not addressed as "Your Excellency": they are "Mr./Ms".