Slack Outage History
Uptime record, past incidents, and downtime history for Slack.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| February 2026 | 100% | 24 | 0 |
| January 2026 | 100% | 1 | 0 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 25 Days)
Jan 31
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
February 2026
Incident: Users unable to access Slack using various browsers
Started: Feb 20, 12:24 AM
investigating
Current status and recent actions taken: Further investigation of this issue has determined that Slack systems and services are operating within specifications and that the issue is due to a conflict with some antivirus applications.Scope: Some users may have experienced issues accessing Slack services via their web browser due a conflict with their antivirus.Required resolution steps: Users should add their Slack workspace URL to the trusted URLs in their antivirus appli...
Feb 20, 12:24 AM
Incident: Issues generating Incoming Webhooks
Started: Feb 18, 6:32 PM
investigating
This issue is now resolved for all users.Current status and recent actions taken: We reverted the change that triggered the issue. Scope: This issue impacted users from all regions, impacting both new installations and reinstalls of apps, affecting developers who reinstall apps to generate new webhooks.Previous impact to end users: Incoming Webhooks may have silently failed to generate when installing Apps which offer this feature. We apologize for any disruptio...
Feb 18, 6:32 PM