UPDATE: July 29,Watch Boarding House Hungry Wolves 2 Online 2019, 11:47 a.m. EDT After just under an hour, Slack appeared to be back online.

Slack confirmed just before noon ET, "We’re back up and running again."

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As to the cause of the outage, Slack said in an email, "our engineering team is working to identify the cause of the interruption in service."

Back to work, everyone.

Productivity took a turn for the worse Monday when Slack went down.

Issues were first reported on the Slack page just before 11 a.m. ET. The official status page said there was an outage and the office communication tool was "looking into an issue."

The company said "some workspaces might be experiencing issues with messages sending and loading." At the Mashable office, Slack was completely down.

Slack's mobile app appeared to be working intermittently.

On DownDetector, which is owned by Mashable's parents company Ziff Davis, the outage was widespread through the U.S. and Europe, with the most reports coming from the Northeast and Texas areas. The UK was another hot spot. More than 1,000 reports had come in within 30 minutes of the outage.

Of course, tweets started pouring in about the outage and inability to get anything done at work.

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Happy Monday!