Some admins' usage reports may contain stale data in Microsoft 365 admin center

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: Impacted report types included: - OneDrive usage reports - SharePoint usage reports - Group Activity reports Final status: After monitoring the backlog processing for the final remaining impacted report type, we've confirmed that all usage report types listed in the "More Info" section are now created with up-to-date data. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may have been impacted by this issue. Start time: Sunday, September 13, 2026, at 12:00 AM UTC End time: Wednesday, September 16, 2026, at 8:40 AM UTC Root cause: Our upstream data pipeline encountered refresh errors and failures when retrieving up-to-date data for the listed reports, which resulted in this impact. Next steps: - We're continuing to optimize our data processing pipeline to meet increasing user demand and ensure robust service uptime. This is the final update for the event.

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: Previously impacted report types included: - OneDrive usage reports in North America and Asia Pacific - SharePoint usage reports in North America, Asia Pacific, and Europe - Group Activity reports in North America, Asia Pacific, and Europe Current status: We've determined that most affected reports are now populating normally, though the remaining backlog of OneDrive reports for users in Europe is taking longer to clear than anticipated. We’re monitoring progress to confirm that the remaining reports are generated successfully. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may be impacted by this issue. This section may be updated as our investigation continues. Start time: Sunday, September 13, 2026, at 12:00 AM UTC Root cause: Our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. Next update by: Wednesday, September 16, 2026, at 9:00 PM UTC

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: Previously impacted report types included: - OneDrive usage reports in North America and Asia Pacific - SharePoint usage reports in North America, Asia Pacific, and Europe - Group Activity reports in North America, Asia Pacific, and Europe Current status: While the majority of the usage reports are no longer delayed, processing of the backlog of OneDrive usage reports for users in Europe is taking longer than previously expected. We're continuing to monitor its progress to ensure that the final subset of usage reports are created as expected. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may be impacted by this issue. This section may be updated as our investigation continues. Start time: Sunday, September 13, 2026, at 12:00 AM UTC Root cause: Our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. Next update by: Wednesday, September 16, 2026, at 3:30 AM UTC

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: This usage data refresh issue affects the following reports: - OneDrive usage reports - SharePoint usage reports - Group Activity reports These reports may not have refreshed since September 8, 2026. Current status: We've confirmed that all reports have recovered with the exception of OneDriveUsage in Europe. We anticipate that the recovery of these last reports will be complete by our next scheduled update, fully resolving the event for all affected environments. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may be impacted by this issue. This section may be updated as our investigation continues. Start time: Sunday, September 13, 2026, at 12:00 AM UTC Root cause: Our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. Next update by: Wednesday, September 16, 2026, at 12:00 AM UTC

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: This usage data refresh issue affects the following reports: - OneDrive usage reports - SharePoint usage reports - Group Activity reports These reports may not have refreshed since September 8, 2026. Current status: We've confirmed that most reports have recovered and we expect complete recovery by our next scheduled update. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may be impacted by this issue. This section may be updated as our investigation continues. Start time: Sunday, September 13, 2026, at 12:00 AM UTC Root cause: Our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. Next update by: Tuesday, September 15, 2026, at 9:00 PM UTC

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: This usage data refresh issue affects the following reports: - OneDrive usage reports - SharePoint usage reports - Group Activity reports These reports may not have refreshed since September 8, 2026. Current status: Due the size of the data backlog, we've determined that we'll need to continue monitoring the report refresh rate for a longer period of time to ensure remediation. We expect to be able to provide a firm timeline by the time of our next scheduled communication update. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may be impacted by this issue. This section may be updated as our investigation continues. Start time: Sunday, September 13, 2026, at 12:00 AM UTC Root cause: Our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. Next update by: Tuesday, September 15, 2026, at 6:00 PM UTC

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: This usage data refresh issue affects the following reports: - OneDrive usage reports - SharePoint usage reports - Group Activity reports These reports may not have refreshed since September 8, 2026. Current status: We've observed recovery in some processes which manage data processing and report generation. We're continuing to monitor the refresh rate of the impacted reports to ensure usage data report freshness. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may be impacted by this issue. This section may be updated as our investigation continues. Start time: Sunday, September 13, 2026, at 12:00 AM UTC Root cause: Our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. Next update by: Tuesday, September 15, 2026, at 2:00 AM UTC

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: This usage data refresh issue affects the following reports: - OneDrive usage reports - SharePoint usage reports - Group Activity reports These reports may not have refreshed since September 8, 2026. Current status: After implementing our solution to resolve the delays that are resulting from a portion of the upstream data processing pipeline, we're monitoring the refresh rate of the impacted reports to validate that our remediation is effective. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may be impacted by this issue. This section may be updated as our investigation continues. Start time: Sunday, September 13, 2026, at 12:00 AM UTC Root cause: Our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. Next update by: Monday, September 14, 2026, at 11:30 PM UTC

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: This usage data refresh issue affects the following reports: - OneDrive usage reports - SharePoint usage reports - Group Activity reports These reports may not have refreshed since September 8, 2026. Current status: We've identified that our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. We're implementing a solution to the affected pipeline to restore the normal processing flow and recover delayed data as swiftly as possible. We anticipate being able to provide a timeline for resolution by our next scheduled communications update. Scope of impact: Some admins and users in North America, Asia Pacific, and Europe attempting to see up-to-date data in the affected reports listed in the More info section may be impacted by this issue. This section may be updated as our investigation continues. Start time: Sunday, September 13, 2026, at 12:00 AM UTC Root cause: Our upstream data pipeline is encountering refresh errors and failures when retrieving up-to-date data for the listed reports, which is resulting in this impact. Next update by: Monday, September 14, 2026, at 7:00 PM UTC

Title: Some admins' usage reports may contain stale data in Microsoft 365 admin center User impact: Admins' usage reports may contain stale data in Microsoft 365 admin center. More info: This usage data refresh issue affects the following reports: - OneDrive Usage reports - SharePoint Usage reports - Group Activity reports Current status: We're investigating a potential issue with usage reports and checking for impact to your organization. We'll provide an update within 30 minutes.