However, she also told a hastily arranged press conference here after addressing a UN meeting on gender equality that "it would've been better" and "smarter" to use two separate devices for her personal and work email accounts.
The former U.S. secretary of state also said there were no security breaches of her personal email server, which will remain private.
This is her first encounter with a large group of press in five months, following a political event in the U.S. state of Iowa last September.