This policy setting controls whether InfoPath can open fully trusted e-mail forms.
If you enable this policy setting, users will not be able to open fully trusted e-mail forms. Instead, these forms will have to be opened in InfoPath.
If you disable or do not configure this policy setting, InfoPath can open e-mail forms with full trust.
| Registry Hive | HKEY_CURRENT_USER |
| Registry Path | software\policies\microsoft\office\15.0\infopath\security |
| Value Name | enablefulltrustemailforms |
| Value Type | REG_DWORD |
| Enabled Value | 0 |
| Disabled Value | 1 |