@Boogie Young Thanks for posting in our Q&A.
From the settings you provided, there is nothing incorrect. To clarify this issue, we appreciate your help to collect some information:
1.Please check if this app protection policy is assigned to a user group and the user you used to sign in Outlook app is included in this user group.
2.Is this app protection policy deployed successfully? Please click on Troubleshooting + support > select a target user and check "App protection status".
If there is anything update, feel free to let us know.
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