Configuring preferences and options in Outlook.com
This is what I found on the issue
"Issue ID: EX868136 Affected services: Exchange OnlineStatus: Service degradationIssue type: AdvisoryStart time: Aug 14, 2024, 8:00 PM EDTScope of impactAny Outlook on the web user may not receive the new email notification sound.Root causeA recent configuration change contained a regression that caused impact.Current statusAug 21, 2024, 3:37 PM EDTWe've isolated a recent configuration change which contained a regression that caused impact. We're validating the efficacy of a fix to correct the misconfiguration, and we expect to have a timeline for starting the deployment by the time of our next update.Next update by:Thursday, August 22, 2024 at 5:00 PM EDTHistory of updatesAug 21, 2024, 9:59 AM EDTWe're continuing to review the provided HAR and affected sample mailbox logs to diagnose the root cause, and assess our options for mitigation.Aug 21, 2024, 7:47 AM EDTWe're progressing with our analysis of HAR and sample affected mailbox logs to identify the root cause, and determine our next steps towards remediation.Aug 21, 2024, 5:58 AM EDTWe're reviewing HTTP Archive format (HAR) logs and screenshots of the issue provided by some affected users to inform our next troubleshooting steps."