The team channels platform went down at mid-morning in the US; Slack worked for several hours to find and fix the problem. Credit: Slack / Mudassir Ali Some Slack users were unable to access the popular collaboration app on Tuesday. The outage was first reported by Slack at 9:25 a.m. ET as many US workers returned to work following the President’s Day holiday weekend. Thousands of Slack users reported problems loading the app on DownDetector.com; the problems had not yet been fully resolved by noon ET. “Slack is not loading for some users,” the company had acknowledged at 10:23 a.m. ET on its service status page. “We are continuing to investigate the cause and will provide more information as soon as it’s available.” At 12:07 p.m., Slack pointed to “signs of improvement. Please try reloading Slack, and if not a cache reset. We’re still monitoring the situation. We’ll confirm once this issue is fully resolved.” DownDetector.com DownDetector.com shows the Slack outage. For users still having issues as of about 1:45 p.m. ET, the company offered this advice: “We’re continuing to see improvements, but we still have some work to do. If you’re still encountering any trouble, please reload Slack using Command + Shift + R (Mac) or Ctrl + Shift + R (Windows/Linux) or clear the app cache (Help > Troubleshooting > Clear Cache and Restart on desktop, Preferences > Advanced > Reset Cache on mobile).” The company finally reported at 2:24 pm ET that operations were back to normal. Slack, which was acquired by Salesforce last year for $27.7 billion, has more 12 million daily active users. That’s according to its most recently released stats from October 2019, so it’s likely the number is considerably higher now. While Software-as-a-Service (SaaS) vendors typically provide high levels of uptime, outages are not uncommon. Slack was one of a number of SaaS vendors knocked offline last December due to an outage at cloud provider Amazon Web Services’ US East 1 data center apparently related to network device failure. Slack’s services were also disrupted last September as a DNS configuration change created issues for some users. Slack did not immediately respond to questions seeking more information on the cause of the outage and how many users have been affected. Slack The Slack error messages some users saw. Related content news analysis Apple earnings: About that iPhone 'slump' in China Based on information from Thursday's earnings report, it seems that data pointing to an iPhone slump in China were over-baked. By Jonny Evans May 03, 2024 9 mins iMac iPhone Apple news Microsoft begins to phase out ‘classic’ Teams Microsoft is encouraging Teams customers to move to the new, faster version of the collaboration app; the older version will be switched off next year. By Matthew Finnegan May 03, 2024 3 mins Microsoft Teams Collaboration Software Productivity Software news analysis Apple confirms it will open up the iPad in Europe this fall The latest efforts to comply with Europe’s Digital Markets Act mean developers can offer to side load apps to both iPhones and iPads in the EU. Apple has also taken steps to improve what it offers to smaller and non-commercial developers in the By Jonny Evans May 02, 2024 6 mins iPad Apple Mobile Apps news Udacity offers laid-off US workers free access to its courses for 30 days Sign-ups will be available over the next 30 days By Lucas Mearian May 02, 2024 4 mins Technology Industry IT Jobs IT Skills Podcasts Videos Resources Events SUBSCRIBE TO OUR NEWSLETTER From our editors straight to your inbox Get started by entering your email address below. Please enter a valid email address Subscribe