A ban in the United States initially began to take effect earlier Sunday.

Cybersecurity and Data Protection expert Caitlin Sarian joins ABC News Live to discuss TikTok.

The Supreme Court rejected TikTok's First Amendment argument.

President-elect Donald Trump has vowed to reverse the ban.

"TikTok and ByteDance Ltd. apps are no longer available in the United States, and visitors to the United States might have limited access to features," Apple said.

The social media app now shares a message that it’s unavailable and apologizes to its users that the app went dark, as it now looks to President-elect Donald Trump for its return.

ABC News correspondent Elizabeth Schulze and contributor Mike Muse join Live to discuss if President-elect Donald Trump will save the popular app.

As TikTok goes dark overnight, ABC News’ Elizabeth Schulze and Mike Muse take a closer look at what’s next for the more than 100 million U.S. users, content creators and more.

If it feels like TikTok has been around forever, that’s probably because it has, at least if you’re measuring via internet time

President-elect Donald Trump told ABC News he plans to give the social media app a 90-day extension to avoid a ban in the U.S.

We posted, and you decided this week's Social Story is on the looming TikTok ban. Creators Nadya Okamoto and Shereen Pavlides discuss next steps and hopes for the future.

Alex Presha discusses President-elect Donald Trump’s statement that he will “likely” give TikTok a 90-day extension to avoid a complete ban.

Morgan Norwood delivers the latest updates on popular social media app TikTok as users search for alternative platforms.

President-elect Donald Trump told ABC News he is likely to grant TikTok a 90-day extension to avoid a ban in the United States.

TikTok faces a ban on Sunday, unless it cuts ties with parent company ByteDance.

The app announced it will "go dark" tomorrow as users flock to another Chinese app as an alternative.

TikTok may be banned in the U.S. on Sunday due to user privacy concerns. Many of its popular content creators are saying goodbye as most of them used the app for both primary and secondary income.

ABC News’ Phil Lipof spoke with Andrew Couts, a senior editor for Wired, about TikTok’s future and whether it’s different from other Chinese-owned apps that gather Americans’ personal information.

Peter Mairhofer, who resides in Austria, hopes his videos encourage others to see the beauty around them.

All nine justices rejected arguments about free speech made by lawyers for the app, which is owned by a China-based company. President-elect Donald Trump said he will "review the situation." 

Giselle Ugarte, an online creator and social media coach, warned her clients to be ready for a possible TikTok ban to take effect in a couple of days.

ABC News’ Devin Dwyer and Elizabeth Schulze, as well as ABC News contributor Channa Lloyd, discuss the ruling involving the social media platform.

ABC News’ Devin Dwyer and ABC News contributor Brian Buckmire discuss the ruling involving the social media platform.

Ban is set to take effect this week, unless TikTok cuts ties with parent firm.

The Biden administration doesn't plan to take action that forces TikTok to immediately go dark for U.S. users on Sunday, an administration official told ABC News.

The popular app is just three days away from a nationwide ban unless the Supreme Court steps in before then.

Trump’s pick for national security adviser, Florida Rep. Mike Waltz, said during an interview on Wednesday that the president-elect is exploring options to “preserve” TikTok

Five Massachusetts college students are scheduled to make their first appearance in court on conspiracy and kidnapping charges on Thursday

A look at the numbers a TikTok ban could have and the other social media apps users are flocking to.

The TikTok ban is just days away if the Supreme Court doesn't stop it, so many are scrambling to find other social media platforms.

The majority of Supreme Court justices appeared inclined to uphold a federal law that would ban the company unless China-based parent ByteDance divests from it.

As the impending ruling from the Supreme Court likely in the next few days, ABC News' Alexis Christoforous provides the latest updates on TikTok's legal battle.

Mike Muse and Kim Whele discuss the Supreme Court's possible ruling and what it might mean for Americans.

ABC News’ Perry Russom reports what it means for millions of TikTok users as the nine justices on the Supreme Court weigh in days before the U.S ban on the app could take effect.

As the TikTok ban looms, Americans are asking, "what's next?" Investor Kevin O'Leary joins the show.

The Supreme Court appears inclined to uphold a law that would ban the video-sharing app TikTok in the U.S. after Jan. 19 unless its China-owned parent company divests.

The future of TikTok in the U.S. hangs in the balance at the Supreme Court.

The future of TikTok in the U.S. hangs in the balance at the Supreme Court on Friday as the justices heard a last-ditch challenge to a law that would ban the video-sharing app.

TikTok's future in the U.S. is in question as the Supreme Court hears a challenge to a law that would ban the video-sharing app unless its Chinese-based parent company sells its stake.

The Supreme Court will hear a last-ditch challenge to a law that would ban the video-sharing app in nine days unless its Chinese-based parent company sells its stake.

The law that could ban TikTok is coming before the Supreme Court

In a collision between free speech and national security, the Supreme Court will hear arguments over the fate of TikTok, a digital age cultural phenomenon that roughly half the U.S. population uses for entertainment and information

The fate of TikTok is keeping creators and small business owners in anxious limbo as they await a decision from the Supreme Court that could upheld their livelihoods

The fate of TikTok is keeping creators and small business owners in anxious limbo as they await a decision from the Supreme Court that could upheld their livelihoods

Two weeks before the Supreme Court is set to hear oral arguments over TikTok's future, President-elect Donald Trump has asked the justices to delay a Jan. 19 deadline.

Constitutional law expert Robert McWhirter discusses President-elect Donald Trump’s request to the Supreme Court to delay the deadline for the sale of TikTok.

President-elect Trump asked to delay the deadline for the app’s sale so he can negotiate a settlement to avoid a shutdown of the Chinese-owned social media platform in the U.S.

The justices have agreed to hear the social media app’s challenge to a law that could ban it in the U.S. starting next month.

The platform asked the court to step in before a Jan. 19 ban goes into effect.

The Supreme Court will hear arguments on Jan. 10 over TikTok's effort to block a federal ban of the platform if it's not sold by Jan. 19.