Slack experienced an outage Monday morning into the afternoon hours, leaving thousands of users unable to send or receive messages. Slack experienced an outage Monday morning into the afternoon hours, leaving thousands of users unable to send or receive messages. Down Detector, a website that monitors online outages, showed an uptick in outage reports regarding Slack around 9:30am ET. Slack addressed the issues at 10:05am ET on its website stating:'Some users may be experiencing slowness with Slack in the desktop, browser and mobile at this time. Twitter users 'Emad' shared that Slack being down 'is the Schools closed day for adults.'

Source: Daily Mail October 05, 2020 15:54 UTC