Online messaging platform Slack went down on Monday, January 4, leaving millions of home workers struggling to communicate with their teams.
Downdetector, which offers real-time status and outage information, reports that thousands of users have reported issues accessing the app on Monday, January 4, afternoon.
Slack confirmed that users experienced difficulty connecting to the app to load channels, saying that its team is working on fixing the problem.
It also apologised for any disruption caused.
In a tweet published at 3.14pm, Slack Status wrote: "Customers may experience issues connecting to Slack to loading channels at this time.
"Our team is on the case and we will keep you posted. Apologies for any disruption."
In an update issued on its website at 3.44pm, the company wrote: "We’re still investigating the ongoing connectivity issues with Slack.
"There's no additional information to share just yet, but we’ll follow up in 30 minutes. Thanks for bearing with us."
In a further update at 4.20pm Slack declared the disruption to its service an outage.
In the update it wrote: "We're continuing to investigate connection issues for customers, and have upgraded the incident on our side to reflect an outage in service.
"All hands are on deck on our end to further investigate. We'll be back in a half hour to keep you posted."
An update at 5.29pm added: "While the issue is largely still ongoing, we believe some customers may see improvement in connecting to Slack after a refresh (CTRL/CMD + R)."
Users took to social media to share news of the app's outage.
One Twitter user wrote: "Slack is down, can't work now. Back to vacation mode!"
Another added: "Yup, Slack is down.
"It's okay. Breathe. Relax. Phone calls and emails should still work just fine.
"And now's a great time to consider that maybe some of us are on Slack waaaayyyyy too much anyway."
"First Monday of the year, so it makes sense that Slack is down," another wrote.