Disable Built-in PDF Viewer (PDF.js)

Policy ID: DisableBuiltinPDFViewer
Scope: Computer Configuration, User Configuration
Supported on: Firefox 60 or later, Firefox 60 ESR or later
Source: Mozilla Firefox Policy Templates (version 8.3)
Category: Mozilla › Firefox

Description

If this policy is enabled, PDF files are not viewed within Firefox.

If this policy is disabled or not configured, PDF files are viewed within Firefox.

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Mozilla\Firefox View registry values

DisableBuiltinPDFViewerREG_DWORD

UserHKEY_CURRENT_USER

HKCU\Software\Policies\Mozilla\Firefox View registry values

DisableBuiltinPDFViewerREG_DWORD

Other policies in the same category

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