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Is Microsoft Teams down?

Website status is based solely on the number of user reports submitted and is updated every 30 minutes using data from the past 24 hours. The status you see depends on the baseline — the average number of reports received in 30-minute time blocks over the past 24 hours. Learn more about how our tool works.

Microsoft Teams issues reported over the last 24 hours

This graph shows the status of Microsoft Teams website and apps as reported by users over the last 24 hours.

Want to see the status of other popular services? Visit our “Is it down?” page!

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The most recently reported Microsoft Teams outages and their causes

Microsoft Teams has been unavailable to users from time to time — here's what happened:

January 22, 2026.

Duration: Approximately 9 hours.

According to CRN, a major outage hit Microsoft 365 services in North America, affecting Teams, Outlook, Defender, and Purview. Microsoft identified that a portion of its service infrastructure was not processing traffic as expected.

June 17, 2025.

Duration: Approximately 1 hour.

According to Computerworld, a global Microsoft 365 outage disrupted Teams and Exchange Online, leaving users unable to access collaboration and communication tools. Microsoft later attributed the incident to an overly aggressive traffic management update that unintentionally rerouted and overwhelmed legitimate service traffic.

January 26, 2024.

Duration: Approximately 7 hours.

According to The Verge, Microsoft Teams went down around the world due to networking issues impacting a portion of the Teams service. Users experienced problems with login, messaging, and calling.

Please note that this is public information from external sources, not our own. We cannot modify its content or guarantee its accuracy.

How does the status checker work?

We recalculate the status of the service every 30 minutes based on user reports submitted within the last 24 hours. This allows us to provide firsthand information on outages and helps to better understand the extent of the problem.

To do this, we first calculate a baseline — the average number of reports received in 30-minute time blocks over the past 24 hours. This helps us understand what “normal” activity looks like at any given time.

A mobile screen showing user outage reports used to determine website availability for the “Is it down?” page.

Once we have the baseline, we set thresholds to determine the status of the service:

Online: If the number of reports falls below 50% of the baseline, the service’s status is shown as “Online,” meaning everything is functioning normally.

Partial outage: If the reports fall between 50% and 75% of the baseline, the service might be facing some issues. We label this status as “Partial outage.”

Down: If the number of reports exceeds 75% of the baseline, the service is considered “Down,” indicating significant issues or an outage.

Frequently asked questions