This issue has been resolved. We are seeing successful usage of Integrated Report Suspicious with the previously impacted version of Outlook.
Posted Mar 23, 2026 - 10:03 EDT
Monitoring
Proofpoint has tested and released the solution for Integrated Report Suspicious on Classic Outlook to all environments.
Affected users will need to restart their Outlook clients for the fix to take effect.
Posted Mar 20, 2026 - 15:04 EDT
Identified
Proofpoint has identified the root cause to be a regression in the latest release of "Classic Outlook for Windows" on the "Current" release channel of Outlook.
Proofpoint is currently testing a workaround. We will provide an update when that is available to our customers.
Posted Mar 20, 2026 - 13:46 EDT
Investigating
We are currently investigating an issue with Integrated Report Suspicious with Classic Outlook. It appears to be related to the latest Classic Outlook version 2602. We are encouraging customers to utilize Report Suspicious for Exchange, Email Warning Tags Report Suspicious, or OWA to successfully report.
Posted Mar 19, 2026 - 18:30 EDT
This incident affected: U.S. Environment (PhishAlarm - CLEAR - U.S.), Europe Environment (PhishAlarm - CLEAR - Europe), Asia/Pacific Environment (PhishAlarm - CLEAR - Asia Pacific), and Canada Environment (PhishAlarm - CLEAR - Canada).