Some users attempting to view their Microsoft Teams contact lists may experience latency

Title: Some users attempting to view their Microsoft Teams contact lists may experience latency User impact: Users attempting to view their Microsoft Teams contact lists may experience latency. More info: Users attempting to view their Microsoft Teams contact lists may experience latency and their contact list may not appear for up to 15 minutes. Current status: The deployment of the code fix has begun, and we anticipate it being fully deployed to all affected environments by the time of our next communication. Scope of impact: Some users who are attempting to view their Microsoft Teams contact lists may be affected. This information may be updated as our investigation continues. Start time: Wednesday, July 29, 2026, at 12:00 AM UTC Root cause: A recent service update to improve the user interface of Microsoft Teams contact lists contained a code regression and is resulting in impact. Next update by: Monday, September 7, 2026, at 9:00 PM UTC

Title: Some users attempting to view their Microsoft Teams contact lists may experience latency User impact: Users attempting to view their Microsoft Teams contact lists may experience latency. More info: Users attempting to view their Microsoft Teams contact lists may experience latency and their contact list may appear for up to 15 minutes. Current status: We’ve determined that a recent service update to improve the user interface of Microsoft Teams contact lists contained a code regression and is resulting in impact. We’ve developed a fix to correct the offending code regression, and we anticipate that the deployment process will begin prior to our next scheduled update, at which point we expect that a remediation timeline will be provided. Scope of impact: Some users who are attempting to view their Microsoft Teams contact lists may be affected. This information may be updated as our investigation continues. Start time: Wednesday, July 29, 2026, at 12:00 AM UTC Root cause: A recent service update to improve the user interface of Microsoft Teams contact lists contained a code regression and is resulting in impact. Next update by: Wednesday, September 2, 2026, at 9:00 PM UTC

Title: Some users attempting to view their Microsoft Teams contact lists may experience latency User impact: Users attempting to view their Microsoft Teams contact lists may experience latency. More info: Users attempting to view their Microsoft Teams contact lists may experience latency and their contact list may appear for up to 15 minutes. Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.