Slack Down — March 27, 2026 Outage Report

majorResolved

Slack experienced a prolonged outage caused by the upstream AWS US-East-1 incident. Messaging, file uploads, and integrations were all affected.

Started March 27, 2026 at 6:15 AMResolved March 27, 2026 at 2:45 PMDuration: 8h 30m

Affected regions: North America, Europe

Incident Timeline

InvestigatingMarch 27, 2026 at 6:15 AM

We are aware of issues connecting to Slack.

IdentifiedMarch 27, 2026 at 7:00 AM

This is related to an ongoing AWS outage. We are working on mitigation.

ResolvedMarch 27, 2026 at 2:45 PM

Slack is fully operational following AWS recovery.

Check current status

Live status check on WebsiteDown.com