outlook.com status & reliability report
outlook.com has struggled to stay consistently available over the past year, with uptime of just 33.333% — close to 243.5 days per year of downtime. Server response averages about 1575 ms, which is acceptable rather than fast. Behind the numbers, we logged 4 confirmed outages, usually back online within 30m.
Composite of uptime, response time & incident stability · high-confidence
Learn moreUptime over the last 3 months
Each bar is one calendar month with recorded data, computed from 6 availability checks. Bar height is scaled to this site's own range so month-to-month differences stand out; colour reflects the uptime band.
Uptime by time window
At 33.333%, outlook.com is budgeted for approximately 243.5 days per year of downtime.
Response time
Average server response over 12 months
Downtime incident history
| Started | Duration | Severity | Detected by | HTTP codes |
|---|---|---|---|---|
| Nov 22, 2025 · 16:46 UTC | 30m | Full outage | probe | 405 |
| Nov 21, 2025 · 03:23 UTC | 30m | Full outage | probe | 405 |
| Nov 15, 2025 · 12:15 UTC | 30m | Full outage | probe | 417 |
| Nov 6, 2025 · 06:24 UTC | 30m | Full outage | probe | 417 |
About outlook.com
outlook.com is the official website for Microsoft’s web-based email and personal information management service. The platform allows users to send and receive emails, manage contacts, organize calendars, and access cloud-based productivity tools directly through a web browser.
Visitors to outlook.com can sign in to their Microsoft accounts to access their inbox, create folders, filter messages, and manage communication across devices. The service integrates with other Microsoft products such as OneDrive, Microsoft 365, and Teams, allowing users to share files, schedule meetings, and collaborate online.
Outlook.com evolved from Microsoft’s earlier webmail services and has become one of the most widely used email platforms worldwide for both personal and professional communication.
Other tracked services
Related services from the same company
Frequently asked questions
Is outlook.com down right now?
outlook.com is currently operational. This reflects our most recent automated probe combined with live community reports.
How reliable is outlook.com?
outlook.com has maintained 33.333% uptime over the past 12 months, earning a reliability grade of F (17/100). That equates to roughly 243.5 days per year.
How often does outlook.com go down?
We recorded 4 confirmed downtime incident(s) for outlook.com in the past 12 months, with a typical recovery time of 30m.
People also checked
Reliability data last updated 2026-06-12 07:37:10 UTC. Measurements are independent and observational.