Slack vs Microsoft 365 - Uptime & Outage Comparison
Compare uptime, outage statistics, and incident history between Slack and Microsoft 365. 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
3
Last 7 days
5
Last 30 days
20
Last 90 days
Recent Slack Incidents
Resolved
4 days 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
5 days 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
5 days 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...
Microsoft 365
Status monitoring since June 2023
Operational
Microsoft 365 Incident Statistics
7
Last 7 days
8
Last 30 days
23
Last 90 days
Recent Microsoft 365 Incidents
Resolved
1 day ago
Some users may be unable to send and receive emails in the Outlook desktop cl...
Title: Some users may be unable to send and receive emails in the Outlook desktop client or Outlook on the web User...
Resolved
4 days ago
Some users may not receive Microsoft Copilot Chat responses or experience lat...
Title: Some users may not receive Microsoft Copilot Chat responses or experience latency using GPT 5.2 Quick response...
Resolved
4 days ago
Some users may be intermittently unable to access the Exchange Online service...
Title: Some users may be unable to access or load Outlook on the web User impact: Users may be unable to access or...
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