Users may have been unable to utilize the Side Pane in Microsoft Word and received an error message

Title: Users may have been unable to utilize the Side Pane in Microsoft Word and received an error message User impact: Users may have been unable to utilize the Side Pane in Microsoft Word and received an error message. More info: Affected users may have seen the following error message: "something went wrong" Final status: We've determined that a recent change to the underlying service infrastructure affected its ability to process requests successfully. We've rebalanced resources across the affected infrastructure and after a period of monitoring, confirmed that impact has been remediated. Scope of impact: Some users attempting to utilize the Side Pane in Microsoft Word may have been impacted by this event. Start time: Thursday, November 12, 2026, at 4:57 AM UTC End time: Thursday, November 12, 2026, at 8:18 AM UTC Root cause: A recent change to the underlying service infrastructure affected its ability to process requests successfully. Next steps: - We're continuing to investigate the underlying infrastructure issue to determine why the recent change caused impact and identify measures to prevent similar issues from occurring in the future. This is the final update for the event.

Title: Users may be unable to utilize the Side Pane in Microsoft Word and receive an error message User impact: Users may be unable to utilize the Side Pane in Microsoft Word and receive an error message. More info: Affected users may see the following error message: "something went wrong" Current status: We've identified that requests are being routed to a portion of infrastructure that isn't processing requests as efficiently as expected, leading to impact. We're applying configuration changes to the affected portion of infrastructure so that it can efficiently handle the requests and process them as expected. Scope of impact: Users attempting to utilize the Side Pane in Microsoft Word may be impacted by this event. This section may be updated as our investigation continues. Root cause: Requests are being routed to a portion of infrastructure that isn't processing requests as efficiently as expected, leading to impact. Next update by: Thursday, November 12, 2026, at 10:00 AM UTC