Cannon issued the ruling shortly after a daylong hearing on Trump's motions to toss the case, with Trump in attendance.
She said at the end of the hearing that she'd rule on the motions "promptly.".
Trump has said that he designated the materials he took to Mar-a-Lago as personal records while still in office.
David Harbach, a prosecutor from Smith's office, told the judge, “The documents charged in the indictment are not personal records.
He focused mainly on the judge and occasionally whispered and passed notes to one of his attorneys, Todd Blanche.
Trump has pleaded not guilty to charges that he wrongfully held on to classified information after leaving the White House.
In a court filing asking for more time to respond to other outstanding motions in the documents case, Trump’s attorneys said they were preparing for the March 25 start date of his New York criminal trial. »