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office16.Office.Microsoft.Policies.Windows• User

Do not allow expired certificates when validating signatures

This policy setting allows you to configure Office 2016 applications to accept expired digital certificates during verification of digital signatures. If you enable or do not configure this policy setting, Office 2016 applications display digital signatures created with expired certificates as invalid. If you disable this policy setting, Office 2016 applications treat expired certificates as valid.

Policy Details

Policy Name
L_DoNotAllowExpiredCertificatesWhenValidatingSignatures
Registry Key
software\policies\microsoft\office\16.0\common\signatures
Value Name
ignoreexpiredcert
Supported On
At least Windows Server 2008 R2 or Windows 7
Policy State Values
Enabled: 0
Disabled: 1
Available Languages
en-us