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
7
Last 90 days
Recent Microsoft Teams Incidents
Resolved
24 days 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
about 2 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...
Resolved
2 months 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...
Slack
Status monitoring since April 2020
Operational
Slack Incident Statistics
2
Last 7 days
7
Last 30 days
28
Last 90 days
Recent Slack Incidents
Resolved
1 day ago
Trouble Sending Messages
We're investigating a new incident.Current impact to end users: Some users may experience trouble sending messages. W...
Resolved
3 days ago
Trouble with Slackbot and AI-powered features
We're investigating a new incident.Current impact to end users: Some users may be experiencing trouble with Slackbot ...
Resolved
11 days ago
Slackbot button in the top navigation is disappearing
We’re aware of an issue introduced in build 121247 that affects the Slackbot button in the top navigation bar. As a r...
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