How-Tos Duo: Use Duo Internationally You can use Duo authentication when traveling internationally or if you live outside of the United States, unless you are traveling to or live in a U.S.-embargoed country. See full article. Last modified Changed April 22, 2024 TDX ID TDX ID 3751 Was this page helpful? Yes No How could this page be better? If you have a technology question, contact Technology Help. If you have feedback about this webpage, please share it below. Leave this field blank