Slack vs Microsoft Teams - Uptime & Outage Comparison
Compare uptime, outage statistics, and incident history between Slack and Microsoft Teams. See which service has better reliability.
Note: Each service has different practices when updating its status page. One service may report more incidents due to transparency, not necessarily worse reliability. Compare these stats with context.
Slack
Status monitoring since April 2020
Minor Outage
Slack Incident Statistics
3
Last 7 days
8
Last 30 days
23
Last 90 days
Recent Slack Incidents
Ongoing
21 minutes ago
EKM customers experiencing issues with channel loading and message delivery
Between approximately 10:55 AM and 11:10 AM PDT, customers using Enterprise Key Management (EKM) may have experienced...
Resolved
about 7 hours ago
Scheduled Grid Migrations are experiencing extended downtime
Users who are undergoing scheduled Grid Migrations are experiencing extended downtime. Downtime is expected during a ...
Resolved
4 days ago
Slow behaviour in Slack
Some users are experiencing issues with workflows. Triggered workflows may fail to complete, with the first step not ...
Microsoft Teams
Status monitoring since September 2025
Major Outage
Microsoft Teams Incident Statistics
0
Last 7 days
1
Last 30 days
5
Last 90 days
Recent Microsoft Teams Incidents
Ongoing
10 days ago
Some users are unable to search, chat or call users in Microsoft Teams Free
We're validating a fix to address the underlying issue. Due to the complexity of the deployment, the validation is ta...
Resolved
about 2 months ago
Users may intermittently be unable to join meetings or access Microsoft Teams...
We're continuing to develop our fix aimed at addressing the regression introduced by the offending Windows update aft...
Resolved
3 months ago
Some users may experience issues signing into Microsoft Teams Free on mobile ...
We've identified a recent deployment that's causing some users to experience issues signing into Teams Free on mobile...
Ready to monitor Slack, Microsoft Teams, and all your dependencies?
14-day free trial · No credit card required · No code required