Update content-security-policy.md

power-platform/admin/content-security-policy.md

@@ -70,7 +70,9 @@ For Microsoft Teams integration using the [Dynamics 365 app](/dynamics365/teams-
 - `https://teams.microsoft.com/`
 - `https://msteamstabintegration.dynamics.com/`
 
-For Dynamics 365 App for Outlook, you must add your Outlook Web App homepage origin to `frame-ancestors`.
+For Dynamics 365 App for Outlook, add the following to `frame-ancestors`:
+- Your Outlook Web App homepage origin
+- `https://outlook.office.com`
 
 For embedding Power Apps in Power BI reports, add the following to `frame-ancestors`:
 - `https://app.powerbi.com`