Office applications must not load XML expansion packs with Smart Documents.

This policy setting controls whether Office 365 ProPlus applications can load an XML expansion pack manifest file with a Smart Document.

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2016 >> Smart Documents (Word, Excel) >> Disable Smart Document's use of manifests is set to "Enabled".

Use the Windows Registry Editor to navigate to the following key:

HKCU\software\policies\microsoft\office\common\smart tag

If the value for neverloadmanifests is REG_DWORD = 1, this is not a finding.

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2016 >> Smart Documents (Word, Excel) >> Disable Smart Document's use of manifests to "Enabled".