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
Major Outage
Microsoft Teams Incident Statistics
1
Last 7 days
3
Last 30 days
4
Last 90 days
Recent Microsoft Teams Incidents
Ongoing
about 1 hour ago
Users are unable to share or view screen shares, meeting stage, and video in ...
We're developing a code fix for the issue and will validate it before deploying it to the affected environment.
Resolved
8 days ago
Some users' chat messages may not be visible in Microsoft Teams Free when ret...
We're continuing to investigate the failures, so that we can identify the root cause and determine the next steps to ...
Resolved
about 1 month ago
Microsoft Teams Free users are unable to join Microsoft Teams Enterprise meet...
We've investigated a problem in which Teams Free users were unable to anonymously join Microsoft Teams Enterprise mee...
Slack
Status monitoring since April 2020
Operational
Slack Incident Statistics
3
Last 7 days
5
Last 30 days
20
Last 90 days
Recent Slack Incidents
Resolved
about 23 hours ago
Issue loading activity feed in Slack
We’re investigating a Feature Degradation affecting a number of users. Some users may be unable to load their activit...
Resolved
1 day ago
Upstream provider issue causing email delivery delays
An upstream provider is experiencing issues that are causing delays in some email delivery. We’ll be back with an upd...
Resolved
1 day ago
Trouble loading Slack and performing actions
Some users are having trouble performing certain actions related to App Management, such as; Create New App from http...
Components Status
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