There is an issue preventing file uploads and access within Teams chats.(TM1285738)(Restored)
Incident start time：April 13, 2026 – April 30, 2026
Incident details：Microsoft outage
TM1285738: Some users cannot upload or access files within Microsoft Teams chats. When users attempt to upload files, an error stating "Send failed" is displayed.
Status：Microsoft is investigating the cause. We will update this page as soon as we have the latest information.
April 24, 2026 7:19 Code being updated/deployed.
April 26, 2026 5:46 Code being updated/deployed.
April 28, 2026 8:19 Most of the code-fix deployment is complete.
April 29, 2026 8:24 Service restored.