Enhanced Document Security (EDS) module allows users to secure documents or mark them for safe keeping for an on premises SharePoint server. Secured documents are only available to the user that created the document, the system administrator and optionally a Managers group.
See EDS Server 4.0 for download details
From DMF 8.9.645 and later a setting has been added for user to be able to identify a file contains a unique permission.
The setting can be be found in Options-Appearance.
See the other Appearance Options
See MacroView DMF and Message user options for all other MacroView/Message settings.
Group policy ADMX files for MacroView DMF/Message