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
4
Last 30 days
7
Last 90 days
Recent Microsoft Teams Incidents
Resolved
8 days 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
8 days 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...
Resolved
10 days ago
Some users are unable to download the Microsoft Teams desktop application thr...
Our internal testing of the fix to correct the issue has completed and we've begun deploying the fix to affected users.
Slack
Status monitoring since April 2020
Operational
Slack Incident Statistics
2
Last 7 days
12
Last 30 days
21
Last 90 days
Recent Slack Incidents
Resolved
4 days ago
Trouble Accessing Slack
We're investigating a new incident.Current impact to end users: We are aware of an issue currently impacting a subset...
Resolved
6 days ago
Unable to Install Apps to Workspaces
We are currently investigating an issue affecting users' ability to install third-party apps to Slack workspaces. Whe...
Resolved
11 days ago
Issue with scheduled workflows
We're aware of an issue affecting scheduled workflows that include a Send a message step. Users may experience authen...
Ready to monitor Microsoft Teams, Slack, and all your dependencies?
14-day free trial · No credit card required · No code required