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Microsoft 365 (Outlook on the web | Outlook for Windows) - Unable to use report spam or report phish buttons on behalf of another account

In certain scenarios and depending on the Outlook client you are using, you may either not have the option to report a message as spam/phish or receive an error when you do so.


You are attempting to submit a message as spam/phish when interacting on behalf of another account/mailbox you have access to.

Outlook on the web

The "Report as Spam" or "Report as Phish" buttons will not appear when viewing a message.

Outlook for Windows/Mac - Enterprise/Education versions

The "Report as Spam" or "Report as Phish" buttons will be grayed out or not appear when viewing a message.

Outlook 2016 for Windows

When you attempt to use the "Report Spam" or "Report Phish" buttons, you receive the following error - "You cannot perform this action. Add-ins are not supported in this folder."

add-in error

Reason for this error/issue

Microsoft has confirmed that add-ins only work on the default account you are logged in with (authenticated).


If you want to submit a message as spam or phish, please follow the instructions in the Microsoft 365 - Submit a message as spam/phishing document within the "Outlook on the web (do not use Outlook desktop client)" section.

Keywords:microsoft office365 o365 m365 microsoft 365 junk mail filter is-spam report-spam report-not-spam outlook web app for mac 2016 2019 on the web owafiltering inbox submitting mark as spam marking reporting junkmail spammers spamming phishing filters blocking reporting spam emails messages personal information social engineering credentials netid password social security number ssn bank   Doc ID:82705
Owner:O365 S.Group:Microsoft 365
Created:2018-06-07 09:11 CDTUpdated:2023-03-15 14:28 CDT
Sites:DoIT Help Desk, Microsoft 365
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