Slack Down for Thousands of Users, Downdetector Reports

Tech

By Anthony W. Haddad

Published 4 weeks ago on

November 10, 2025

Thousands of Slack users reported problems Monday Nov. 10, 2025,, with Downdetector tracking over 15,000 outage reports by mid-morning. (Shutterstock)

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Slack, a messaging and communications platform, experienced a possible outage Monday, with thousands of users reporting issues, according to Downdetector.com.

More than 15,000 users had reported problems with the platform as of 10:30 a.m. PT, according to Downdetector, which tracks outages by collecting status reports from multiple sources.

Most users reported issues with the Slack app, while others said they were having trouble sending and receiving messages.

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Anthony W. Haddad,

Multimedia Journalist

Anthony W. Haddad, who graduated from Cal Poly San Luis Obispo with his undergraduate degree and attended Fresno State for a MBA, is the Swiss Army knife of GV Wire. He writes stories, manages social media, and represents the organization on the ground.