Microsoft IRM Protection

Check to use the Microsoft IRM version 1, which is a Microsoft extension to the PDF format to support Microsoft IRM protection.The extension allows PDF documents to be encrypted by Microsoft IRM technology that is implemented by Microsoft's Active Directory Rights Management Server as well as by Azure Active Directory Rights Management Services.
If not defined, Microsoft IRM Protection Version 2(PPDF) is used.

Supported on: Microsoft Windows XP SP2 or later
Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Foxit\PhantomPDF\RMS\Preferences
Value NameUseMicrosoftIRMV1
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

foxit phantompdf 7.3.admx

Administrative Templates (Computers)

Administrative Templates (Users)