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
2
Last 30 days
4
Last 90 days
Recent Microsoft Teams Incidents
Resolved
19 days ago
Users may be unable to send messages after a recipient of a new chat accepts ...
Resolved
about 2 months 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
4 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...
Slack
Status monitoring since April 2020
Minor Outage
Slack Incident Statistics
1
Last 7 days
5
Last 30 days
19
Last 90 days
Recent Slack Incidents
Ongoing
2 days ago
Trouble Accessing Historical Messages With Custom Data Retention Policies Ena...
Users with custom data retention policies enabled might be unable to see or load older messages. We apologize for the...
Resolved
9 days ago
Trouble Using Search Bar For Some Admins
Since approximately 21:00 UTC on August 6, some admins have been unable to click or use the search bar on org dashboa...
Resolved
19 days ago
Feature Degradation Affecting the Receipt of Emails in Slack
We're currently investigating an issue affecting users' ability to receive incoming emails into Slack, caused by some...
Components Status
Ready to monitor Microsoft Teams, Slack, and all your dependencies?
14-day free trial · No credit card required · No code required