Microsoft 365 Alert – Service Degradation – Exchange Online – Some users may be unable to search in the classic Outlook desktop client – RESOLVED

Announcements Arpan Das

25/11/2025 14:45:00 PM

NHSmail Reference: INC46690525

Microsoft Reference: EX1189768

Issue Status: RESOLVED

Issue Description: Users may be unable to search in the classic Outlook desktop client.

Current Update: 26/11/2025 09:02:00 PM – Microsoft have determined that this issue only impacts a small subset of users and a vast majority of users that have been receiving these updates aren’t actually impacted by this event. For the small subset of users that are affected, they will continue to provide updates separately. This communication will expire in 24 hours.

Scope of impact: Impact is specific to some users attempting to search in the classic Outlook desktop client.