A law that prohibits mobile app stores and internet hosting services from distributing the video-sharing platform to U.S. users takes effect on Sunday.
"We have to look at it carefully. It’s a very big situation," the President-elect tells Kristen Welker in a phone interview
In an NBC News interview, Trump said on Saturday that he hadn't made a decision yet but was considering giving TikTok a reprieve after his inauguration on Monday.