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PDFSecureMode

  • Article

Secure mode and Certificate-based Digital Signature validation in native PDF reader

Supported versions

  • On Windows and macOS since 100 or later

Description

The policy enables Digital Signature validation for PDF files in a secure environment, which shows the correct validation status of the signatures.

If you enable this policy, PDF files with Certificate-based digital signatures are opened with an option to view and verify the validity of the signatures with high security.

If you disable or don't configure this policy, the capability to view and verify the signature will not be available.

Supported features

  • Can be mandatory: Yes
  • Can be recommended: No
  • Dynamic Policy Refresh: No - Requires browser restart
  • Per Profile: Yes
  • Applies to a profile that is signed in with a Microsoft account: No

Data type

  • Boolean

Windows information and settings

Group Policy (ADMX) info

  • GP unique name: PDFSecureMode
  • GP name: Secure mode and Certificate-based Digital Signature validation in native PDF reader
  • GP path (Mandatory): Administrative Templates/Microsoft Edge
  • GP path (Recommended): N/A
  • GP ADMX file name: MSEdge.admx

Example value

Enabled

Registry settings

  • Path (Mandatory): SOFTWARE\Policies\Microsoft\Edge
  • Path (Recommended): N/A
  • Value name: PDFSecureMode
  • Value type: REG_DWORD

Example registry value

0x00000001

Mac information and settings

  • Preference Key name: PDFSecureMode
  • Example value:
<true/>

See also