Microsoft Teams vs Slack - Uptime & Outage Comparison
Compare uptime, outage statistics, and incident history between Microsoft Teams and Slack. 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.
Microsoft Teams
Status monitoring since September 2025
Operational
Microsoft Teams Incident Statistics
0
Last 7 days
1
Last 30 days
8
Last 90 days
Recent Microsoft Teams Incidents
Resolved
24 days 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...
Resolved
about 1 month ago
Users may not see other users’ presence status in Microsoft Teams Free
We've isolated a recently implemented change which is resulting in the presence status for users to be unviewable. We...
Resolved
about 1 month ago
All users may be unable to access Microsoft Teams Free using a browser
We’ve determined that the service infrastructure supporting the affected website is not responding reliably, resultin...
Slack
Status monitoring since April 2020
Operational
Slack Incident Statistics
1
Last 7 days
8
Last 30 days
23
Last 90 days
Recent Slack Incidents
Resolved
7 days ago
Intermittent SSO login errors accessing Slack workspace.
Some users may experience trouble logging into Slack. We’re on the case and will provide another update once we have ...
Resolved
11 days ago
Issues with App Mentions, Grid Migrations, and Notifications
We're aware of an issue impacting the completion of ongoing enterprise migrations, resulting in longer than expected ...
Resolved
14 days ago
Degraded Search Performance for Dubai IDR Users – Middle East (Dubai) Region
We’ve noted that International Data Residency (IDR) users in the Middle East (Dubai) region may experience degraded s...
Ready to monitor Microsoft Teams, Slack, and all your dependencies?
14-day free trial · No credit card required · No code required