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
Operational
Slack Incident Statistics
0
Last 7 days
1
Last 30 days
22
Last 90 days
Recent Slack Incidents
Resolved
24 days ago
Chat functionality unavailable on Slack Help page
We're aware of an issue affecting users ability to reach our Slack Support team via the Chat functionality on the Sla...
Resolved
about 1 month ago
Trouble loading SSO configuration settings for some workspace admins
Some workspace admins on standalone (non-Enterprise Grid) workspaces may be experiencing an issue where the SSO and a...
Resolved
about 1 month ago
Trouble performing some actions
Some users may be experiencing issues performing certain actions in Slack, channel creation, invitation, and join ope...
Microsoft Teams
Status monitoring since September 2025
Operational
Microsoft Teams Incident Statistics
0
Last 7 days
1
Last 30 days
3
Last 90 days
Recent Microsoft Teams Incidents
Resolved
23 days ago
Users may be unable to access or sign in to Microsoft Teams Free on iOS devices
We've determined that this issue is due to a recent change that included a reference to a deprecated authentication c...
Resolved
3 months ago
Some users are unable to search, chat or call users in Microsoft Teams Free
We're monitoring our fix deployment to ensure it has saturated throughout the entire affected environment before vali...
Resolved
4 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...
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