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Access to this page requires authorization. You can try changing directories.
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
Use this page of the Options dialog box to enable or disable preview features in Visual Studio. The Preview Features options page changes frequently as different preview features are made available in Visual Studio.
You can access this dialog box by clicking Options on the Tools menu and then selecting the Environment > Preview Features page. Or, enter preview features into the Visual Studio Search box (press Ctrl+Q to move focus to the Search box).