如何开启 Office 的新 UI 界面

将以下内容保存为 *.reg 文件执行导入即可

Windows Registry Editor Version 5.00 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides] 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\access] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\excel] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\onenote] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\outlook] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\powerpoint] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\project] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\publisher] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\visio] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\word] 
"Microsoft.Office.UXPlatform.FluentSVRefresh"="true" 
"Microsoft.Office.UXPlatform.RibbonTouchOptimization"="true" 
"Microsoft.Office.UXPlatform.FluentSVRibbonOptionsMenu"="true" 

参考：https://answers.microsoft.com/zh-hans/officeinsider/forum/all/%E5%A6%82%E4%BD%95%E5%BC%80%E5%90%AF/fe022e6a-e8b0-44b1-ab62-531dfefabd45