Use new key on password change

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

HKCU software\policies\microsoft\office\16.0\powerpoint\security\crypto

Value name: newkeyonpwdchange

Enabled: newkeyonpwdchange = 1

Disabled: newkeyonpwdchange = 0

Description

This policy setting allows you to specify if a new encryption key is used when the password is changed. If you enable or do not configure this policy setting, a new intermediate key is generated when the password is changed. This causes any extra key encryptors to be removed when the file is saved. If you disable this policy setting, a new intermediate key is not generated when the password is changed.