Slack outages appear to span across several countries right now

Slack on iPhone (Image credit: Windows Central)

What you need to know

Slack appears to be down right now.
People from throughout Europe and in the United States have reported issues with the service.
Downdetector saw a massive spike in reports starting at 10 am ET.

Downdetector shows a massive spike in issues with Slack, including sending messages and connecting to the service at 10 am ET. We use Slack to communicate at Windows Central, and we're experiencing issues as well, though that's not an indication of how widespread the issues are.

Slack shared on Twitter that it is aware of the issue and that it is investigating the cause of the problems.

Customers may be experiencing issues connecting and using Slack at this time. Our team is currently investigating and we're sorry for any troubles this may be causing. Please see https://t.co/hlhV4Z15g6 for updates.Customers may be experiencing issues connecting and using Slack at this time. Our team is currently investigating and we're sorry for any troubles this may be causing. Please see https://t.co/hlhV4Z15g6 for updates.— Slack (@SlackHQ) January 4, 2021 January 4, 2021

This is a developing story, and we'll continue to add details as they become available.

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Sean Endicott is a news writer and apps editor for Windows Central with 11+ years of experience. A Nottingham Trent journalism graduate, Sean has covered the industry’s arc from the Lumia era to the launch of Windows 11 and generative AI. Having started at Thrifter, he uses his expertise in price tracking to help readers find genuine hardware value.

Beyond tech news, Sean is a UK sports media pioneer. In 2017, he became one of the first to stream via smartphone and is an expert in AP Capture systems. A tech-forward coach, he was named 2024 BAFA Youth Coach of the Year. He is focused on using technology—from AI to Clipchamp—to gain a practical edge.