Path: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Autodiscover

• DWORD: ExcludeExplicitO365Endpoint
• Wert: 1

• DWORD: ExcludeHttpsRootDomain
• Wert: 1

If the „Autodiscover“ key does not exist, it can simply be created. As a rule, it is not necessary to adjust the version in the path (16.0), as Office 2016, 2019 and 2021 use version 16.0: