Ms Trump sent hundreds of emails last year to White House aides, Cabinet officials and her assistants using a personal account, the Washington Post reported.
Commenting on the issue later, Peter Mirijanian, the spokesperson for Trump's ethics lawyer Abbe Lowell told Fox News that underlined the main differences between the email scandal around Hillary Clinton and this case.
"To address misinformation being peddled about Ms Trump's personal email, she did not create a private server in her house or office, there was never classified information transmitted, the account was never transferred or housed at Trump Organization, no emails were ever deleted, and the emails have been retained in the official account in conformity with records preservation laws and rules," Mirijanian said.
The spokesperson noted that Donald Trump had previously verified her email use with White House Counsel.
"When concerns were raised in the press 14 months ago, Ms Trump reviewed and verified her email use with White House Counsel and explained the issue to congressional leaders," Mirijanian told the Post.
In the 2016 presidential election campaign, then-presidential candidate Donald Trump repeatedly attacked his opponent, Democratic candidate Hillary Clinton, for using her personal email account during her tenure as secretary of state.
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