Status Page

2026-10-02	Status	Description
03:53 PM		Active: - Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online. - Users may be unable to update calendar delegates in the classic Outlook desktop client. - Users may see unwanted add-ins appearing automatically across all Outlook clients.
03:52 PM		Resolved: - Users’ email messages may not have been quarantined and failed to be stored in the quarantine folder.
08:12 AM		Active: - Users’ email messages may not be quarantined and might fail to be stored in the quarantine folder. - Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online. - Users may be unable to update calendar delegates in the classic Outlook desktop client. - Users may see unwanted add-ins appearing automatically across all Outlook clients.
08:11 AM		Resolved: - Users may have been unable to search for email in Outlook desktop and Outlook on the web.

03:53 PM

Active:

- Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online.

- Users may be unable to update calendar delegates in the classic Outlook desktop client.

- Users may see unwanted add-ins appearing automatically across all Outlook clients.

03:52 PM

Resolved:

- Users’ email messages may not have been quarantined and failed to be stored in the quarantine folder.

08:12 AM

Active:

- Users’ email messages may not be quarantined and might fail to be stored in the quarantine folder.

- Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online.

- Users may be unable to update calendar delegates in the classic Outlook desktop client.

- Users may see unwanted add-ins appearing automatically across all Outlook clients.

08:11 AM

Resolved:

- Users may have been unable to search for email in Outlook desktop and Outlook on the web.