Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\office\16.0\outlook\security] "authenticationservice"=dword:00000010 [HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\office\15.0\outlook\security] "authenticationservice"=dword:00000010 [HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\office\14.0\outlook\security] "authenticationservice"=dword:00000010