Prevent users from customizing attachment security settings

Information

This policy setting prevents users from overriding the set of attachments blocked by Outlook.
If you enable this policy setting users will be prevented from overriding the set of attachments blocked by Outlook. Outlook also checks the 'Level1Remove' registry key when this setting is specified.
If you disable or do not configure this policy setting, users will be allowed to override the set of attachments blocked by Outlook.

Solution

Policy Path: Microsoft Outlook 2016\Security
Policy Setting Name: Prevent users from customizing attachment security settings

See Also

https://techcommunity.microsoft.com/t5/microsoft-security-baselines/security-baseline-for-office-365-proplus-v1908-sept-2019-final/ba-p/873084

Item Details

Category: SYSTEM AND INFORMATION INTEGRITY

References: 800-53|SI-3a.

Plugin: Windows

Control ID: 152df22727d32d4b251e069825f5c1290343f0cb0fc8139d73c005c34c3a9ae7