Is Exchange Online down? › Outage history
Exchange Online outage history
Exchange Online published 2 incidents on its official status page since Nov 13, 2026. None was major or long enough for its own page. Below them is every smaller incident, then our own 90 day check history.
Every smaller Exchange Online incident
Minor and short incidents from the Microsoft service health page, newest first, each with a line from the official updates. Times are UTC.
November 2026
Nov 13, 2026, 10:59 UTC · Users may be unable to connect to multiple Microsoft 365 services
ongoing, under a minute so far · rated "Service degradation" · still open at our last refresh
"User impact: Users may be unable to connect to multiple Microsoft 365 services. More info: Features of the Microsoft 365 services below that interact with Exchange Online and email services are impacted."
Nov 13, 2026, 08:22 UTC · Users may be unable to connect to multiple Microsoft 365 services
end time not published · rated "Service degradation"
"User impact: Users may be unable to connect to multiple Microsoft 365 services. More info: Features of the Microsoft 365 services below that interact with Exchange Online and email services are impacted."
Exchange Online uptime, last 90 days
Tracked since Nov 13, 2026. Updated Nov 13, 2026, 10:59 UTC.
Every Exchange Online problem in the last 90 days
- Degraded
Exchange Online: Users may be unable to access their mailbox using Outlook on the web, Outlook desktop (MAPI), Exchange ActiveSync (EAS), or REST-based connections, and email...
Nov 13, 2026, 10:11 UTC · ongoing for 48 minutes · from Exchange Online's official status page
- Degraded
Exchange Online: Users may be unable to access their mailbox using Outlook on the web, Outlook desktop (MAPI), Exchange ActiveSync (EAS), or REST-based connections, and email...
Nov 13, 2026, 08:49 UTC · lasted 33 minutes · from Exchange Online's official status page
Day by day
| Day (UTC) | Uptime | Avg response | Worst |
|---|---|---|---|
| Nov 13, 2026 | 100% | -- | Degraded |
Exchange Online outage questions
Was Exchange Online down today?
Yes. Exchange Online had 2 problems today (Nov 13, 2026, UTC): Exchange Online: Users may be unable to access their mailbox using Outlook on the web, Outlook desktop (MAPI), Exchange ActiveSync (EAS), or REST-based connections, and email... (degraded, still ongoing); Exchange Online: Users may be unable to access their mailbox using Outlook on the web, Outlook desktop (MAPI), Exchange ActiveSync (EAS), or REST-based connections, and email... (degraded, 33 minutes).
Was Exchange Online down yesterday?
No. We recorded no Exchange Online outage, degraded period or maintenance yesterday (Nov 12, 2026, UTC).
When was Exchange Online last down?
Right now: a problem started on Nov 13, 2026, 10:11 UTC: Exchange Online: Users may be unable to access their mailbox using Outlook on the web, Outlook desktop (MAPI), Exchange ActiveSync (EAS), or REST-based connections, and email....
How often does Exchange Online go down?
Exchange Online's status page posted 2 incidents since Nov 13, 2026, 2 of them in the last 30 days. Most incidents affect part of the service, not all of it. Uptime from our own checks over the last 90 days: 100%.
Times are UTC. Official incidents are the company's own posts, quoted from the Microsoft service health page. Problem periods start when the official status page or our checks first show a problem and end when the service is next found working, so durations are accurate to within a few minutes. Recent outages across all services.