1. HKEY_CURRENT_USER\SOFTWARE\Microsoft\office\16.0\outlook\autodiscover
2. DWORD: ExcludeExplicitO365Endpoint
3. Value = 1
1. HKEY_CURRENT_USER\SOFTWARE\Microsoft\office\16.0\outlook\autodiscover
2. DWORD: ExcludeExplicitO365Endpoint
3. Value = 1