方法一:

注册表修改

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ExperimentEcs\Overrides]
"Microsoft.Office.Outlook.Hub.HubBar"="false"

方法二:

批处理修改

reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ExperimentEcs\Overrides" /v Microsoft.Office.Outlook.Hub.HubBar /t REG_SZ /d false /f