Hillary Clinton never had a State Department email address in her four years working as Secretary of State.  

https://www.nytimes.com/2015/03/03/us/politics/hillary-clintons-use-of-private-email-at-state-department-raises-flags.html

https://www.cnn.com/2015/03/02/politics/hillary-clinton-2016-emails-secretary-of-state/

https://nypost.com/2016/01/31/this-was-all-planned-former-ig-says-hillary-state-dept-are-lying/

https://nypost.com/2016/01/24/hillarys-team-copied-intel-off-top-secret-server-to-email/