The popular social media app went dark for millions of users Saturday night. The Chinese-owned app has been banned by federal officials.

Users were unable to access TikTok Saturday, instead seeing a pop-up message on their screens saying "a law banning TikTok has been enacted."

TikTok blocked access to American users late Saturday night, just hours before a law banning the popular video-sharing platform was set to go into effect.  “A law banning TikTok has been enacted

TikTok said it will be forced to go dark on January 19, the day the ban is set to take effect, without more assurances it won't be enforced.

The blackout began just hours before the law took effect. Apple said in a statement on its website that TikTok and ByteDance apps are no longer available in the U.S. and visitors to the country could have limited access.

TikTok may get a 90-day extension to save it from its imminent ban if President-Elect Donald Trump decides so.

NBC's Kristen Welker spoke exclusively with President-Elect Trump ahead of his inauguration about his plans for his first days in office.

Trump said in an NBC News interview on Saturday that he hasn’t decided what to do but was considering granting TikTok a reprieve.

Once he takes office on Monday, President-elect Donald Trump plans to give TikTok a 90-day 'reprieve' from a ban, he told NBC News on Saturday.

The U.S. Supreme Court on Friday unanimously upheld the federal law that banned TikTok unless ByteDance divested itself of its U.S. holdings. In issuing the decision, justices rejected Trump’s request to wait until his administration could pursue a “political resolution” to the issue.

President-elect Donald Trump spoke on the possibility of delaying a ban less than 24 hours from when the social media app is expected to shut down.