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
1
Last 7 days
7
Last 30 days
24
Last 90 days
Recent Slack Incidents
Resolved
about 18 hours ago
Authorization Failure Errors Connecting to the Slack MCP Sever
We are aware that customers are receiving authorization failure errors when trying to connect to the Slack MCP server...
Resolved
15 days ago
Intermittent SSO login errors accessing Slack workspace.
Some users may experience trouble logging into Slack. We’re on the case and will provide another update once we have ...
Resolved
18 days ago
Issues with App Mentions, Grid Migrations, and Notifications
We're aware of an issue impacting the completion of ongoing enterprise migrations, resulting in longer than expected ...
Microsoft 365
Status monitoring since June 2023
Minor Outage
Microsoft 365 Incident Statistics
5
Last 7 days
15
Last 30 days
35
Last 90 days
Recent Microsoft 365 Incidents
Ongoing
11 days ago
Some users may be unable to use classic Outlook when the Teams Meeting Add-in...
Title: Some users may be unable to use classic Outlook when the Teams Meeting Add-in is enabled User impact: Users ...
Ongoing
12 days ago
Some users may be intermittently unable to access their Exchange Online mailb...
Title: Some users may be intermittently unable to access their Exchange Online mailboxes with the Outlook mobile apps...
Resolved
3 days ago
Some users experience errors when attempting to create shared mailboxes in Ex...
Title: Some users experience errors when attempting to create shared mailboxes in Exchange Online User impact: Users...
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