Outage in Microsoft 365
Users in South America may have been unable to use multiple Microsoft 365 services
Resolved Minor
August 19, 2026 - Started about 12 hours ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
On August 19, 2026, users in South America—primarily Colombia—experienced degraded access or complete inability to use multiple Microsoft 365 services, including Teams, Outlook, and Office Online Apps, for approximately 1.4 hours. The root cause was identified as a network path issue in the South America region. Microsoft resolved the incident by rerouting traffic through alternate network paths, with telemetry confirming service recovery by 2:50 PM UTC.
Title: Users in South America may be unable to use multiple Microsoft 365 services
User impact: Users in South America may be unable to access or experience degraded functionality with multiple Microsoft 365 services
More info: Impacted services include, but are not limited to:
- Microsoft Teams
- Outlook
- Office Online Apps
Current status: We are reviewing service telemetry and available information to determine if there is an issue happening and we'll update this message shortly with our latest findings. This communication serves as a preliminary notification about a potential issue affecting your service. We'll provide an update in 30 minutes.
Scope of impact: The majority of reports are from users in Colombia. We're still assessing the scope of the issue and will update this section as we know more information.
Components affected
Microsoft 365 suiteTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
about 11 hours ago - at 08/19/2026 03:17PM
Title: Users in South America may be unable to use multiple Microsoft 365 services
User impact: Users in South America may be unable to access or experience degraded functionality with multiple Microsoft 365 services
More info: Impacted services include, but are not limited to:
- Microsoft Teams
- Outlook
- Office Online Apps
Current status: We've rerouted traffic through alternate network paths and telemetry shows the service had recovered by 2:50 PM UTC. We're monitoring to validate full recovery.
Scope of impact: The majority of reports are from users in Colombia. We're still assessing the scope of the issue and will update this section as we know more information.
Start time: Wednesday, August 19, 2026, at 2:14 PM UTC
Next update by: Wednesday, August 19, 2026, at 4:30 PM UTC
about 11 hours ago - at 08/19/2026 03:00PM
Telemetry is showing improvement as our mitigation actions progress. This is in line with a reduction in user reports of impact.
This quick update is designed to give the latest information on this issue.
Next update by: Wednesday, August 19, 2026, at 4:30 PM UTC
about 11 hours ago - at 08/19/2026 02:53PM
Title: Users in South America may be unable to use multiple Microsoft 365 services
User impact: Users in South America may be unable to access or experience degraded functionality with multiple Microsoft 365 services
More info: Impacted services include, but are not limited to:
- Microsoft Teams
- Outlook
- Office Online Apps
Current status: We've identified an issue with network paths in the South America region. We're currently rerouting traffic to alternate network paths to remediate impact.
Scope of impact: The majority of reports are from users in Colombia. We're still assessing the scope of the issue and will update this section as we know more information.
Next update by: Wednesday, August 19, 2026, at 4:30 PM UTC
about 11 hours ago - at 08/19/2026 02:40PM
Title: Users in South America may be unable to use multiple Microsoft 365 services
User impact: Users in South America may be unable to access or experience degraded functionality with multiple Microsoft 365 services
More info: Impacted services include, but are not limited to:
- Microsoft Teams
- Outlook
- Office Online Apps
Current status: We are reviewing service telemetry and available information to determine if there is an issue happening and we'll update this message shortly with our latest findings. This communication serves as a preliminary notification about a potential issue affecting your service. We'll provide an update in 30 minutes.
Scope of impact: The majority of reports are from users in Colombia. We're still assessing the scope of the issue and will update this section as we know more information.
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