Turning off this option does not show certificates in the Set Certificate list box on the Security tab of the Options dialog box.
Registry Hive | HKEY_CURRENT_USER |
Registry Path | Software\Policies\Microsoft\Office\12.0\InterConnect\General\DigitalSignatureMRU |
Value Name | EnableMRU |
Value Type | REG_DWORD |
Enabled Value | 1 |
Disabled Value | 0 |