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Introduction
When you cannot sign in, the first question is: Is Microsoft Outlook down for everyone, or just you? Before spending time on troubleshooting, confirm whether a wider outage is underway. This guide shows you the three most reliable ways to check the current status.
For the latest on the April 27, 2026 outage and Microsoft’s response, see our pillar post on the Microsoft Outlook outage .
Method 1: The Official Microsoft 365 Status Page
The authoritative source is status.office.com . This page is maintained by Microsoft engineers and shows the health of individual services, including Outlook.com and Exchange Online. A green banner means all systems are operational. A yellow or red banner signals a partial or major disruption. The status page also allows you to drill down into specific incidents. Look for the “Outlook.com” or “Exchange Online” entry. If an active incident is displayed, Microsoft is working on it.
Method 2: Downdetector
Downdetector aggregates user‑submitted problem reports in real time. Search “Outlook” on the site and look at the 24‑hour graph. A sharp vertical spike is the classic signature of a widespread outage. During the April 27 event, Downdetector recorded over 1,000 reports within hours. The comment section often includes useful workarounds shared by other users.
For a timeline of past incidents, see our Microsoft 365 outage history .
Method 3: X/Twitter
Search “Outlook down” on X and sort by “Latest.” A sudden flood of identical complaints posted within the last few minutes confirms a widespread issue. Follow the official @MSFT365Status account for announcements directly from Microsoft.
Conclusion
If all three methods indicate a problem, the outage is genuine. Wait for Microsoft’s resolution. If they show normal operation, the issue may be local. For help with sign‑in errors, see our Outlook sign‑in error fixes .
