Users may have encountered issues with the auto compose feature in Outlook mobile app for iOS

Title: Users may have encountered issues with the auto compose feature in Outlook mobile app for iOS User impact: Users may have encountered issues with the auto compose feature in Outlook mobile app for iOS. More info: Impact was specific to directory searches, and suggestions when composing email messages from the Outlook app for IOS. Final status: We've successfully deployed the fix and after an extended period of monitoring service health, we've confirmed that impact has been resolved. Scope of impact: Impact was limited to approximately 10 percent of users performing directory searches or expecting suggestions within Outlook mobile on iOS. Start time: Tuesday, September 15, 2026, at 12:00 AM UTC End time: Friday, September 18, 2026, at 5:00 AM UTC Root cause: A recent update to a search component that facilitates directory and suggestion requests contained a code error, resulting in impact. Next steps: We're reviewing our update procedures to better identify similar issues during our development and testing cycles. This is the final update for the event.

Title: Users may encounter issues with the auto compose feature in the Outlook mobile app for iOS client User impact: Users may encounter issues with the auto compose feature in the Outlook mobile app for iOS client. More info: Impact is specific to directory searches, and suggestions when composing email messages from the Outlook app for IOS. Current status: We've identified that a recent update to a search component that facilitates directory and suggestion requests contains a code error, resulting in impact. We've developed a fix and are monitoring as it progresses. Scope of impact: Impact is limited to approximately 10 percent of users performing directory searches or expecting suggestions within Outlook mobile on iOS. Start time: Tuesday, September 15, 2026, at 12:00 AM UTC Root cause: A recent update to a search component that facilitates directory and suggestion requests contains a code error, resulting in impact. Next update by: Friday, September 18, 2026, at 3:00 PM UTC

Title: Users may encounter issues with the auto compose feature in Outlook mobile app for iOS User impact: Users may encounter issues with the auto compose feature in Outlook mobile app for iOS. Current status: We're investigating a potential issue with Exchange Online and checking for impact to your organization. We'll provide an update within 30 minutes.