What's in the Universal device family API contracts

This post exists to list information no longer documented by Microsoft.

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This page contains a list of all of the API contracts that are part of the Universal device family. These API contracts are implemented by all Windows 10 operating system editions. By default, Microsoft Visual Studio specifies **Windows.Universal** as the target device family in the app package manifest file for UWP apps. To read more about device families, check out the Device families overview page.

Version 10.0.18362.0

Windows.AI.MachineLearning.MachineLearningContract, version=2.0

Windows.AI.MachineLearning.Preview.MachineLearningPreviewContract, version=2.0

Windows.ApplicationModel.Calls.Background.CallsBackgroundContract, version=2.0

Windows.ApplicationModel.Calls.CallsPhoneContract, version=5.0

Windows.ApplicationModel.Calls.CallsVoipContract, version=4.0

Windows.ApplicationModel.CommunicationBlocking.CommunicationBlockingContract, version=2.0

Windows.ApplicationModel.SocialInfo.SocialInfoContract, version=2.0

Windows.ApplicationModel.StartupTaskContract, version=3.0

Windows.Devices.Custom.CustomDeviceContract, version=1.0

Windows.Devices.DevicesLowLevelContract, version=3.0

Windows.Devices.Printers.PrintersContract, version=1.0

Windows.Devices.SmartCards.SmartCardBackgroundTriggerContract, version=3.0

Windows.Devices.SmartCards.SmartCardEmulatorContract, version=6.0

Windows.Foundation.FoundationContract, version=3.0

Windows.Foundation.UniversalApiContract, version=8.0

Windows.Gaming.XboxLive.StorageApiContract, version=1.0

Windows.Graphics.Printing3D.Printing3DContract, version=4.0

Windows.Networking.Connectivity.WwanContract, version=2.0

Windows.Networking.Sockets.ControlChannelTriggerContract, version=3.0

Windows.Services.Maps.GuidanceContract, version=3.0

Windows.Services.Maps.LocalSearchContract, version=4.0

Windows.Services.Store.StoreContract, version=4.0

Windows.Services.TargetedContent.TargetedContentContract, version=1.0

Windows.System.Profile.ProfileHardwareTokenContract, version=1.0

Windows.System.Profile.ProfileSharedModeContract, version=2.0

Windows.System.Profile.SystemManufacturers.SystemManufacturersContract, version=3.0

Windows.System.SystemManagementContract, version=6.0

Windows.UI.ViewManagement.ViewManagementViewScalingContract, version=1.0

Windows.UI.Xaml.Core.Direct.XamlDirectContract, version=2.0

Version 10.0.17763.0

Windows.AI.MachineLearning.MachineLearningContract, version=1.0

Windows.AI.MachineLearning.Preview.MachineLearningPreviewContract, version=2.0

Windows.ApplicationModel.Calls.Background.CallsBackgroundContract, version=1.0

Windows.ApplicationModel.Calls.CallsPhoneContract, version=4.0

Windows.ApplicationModel.Calls.CallsVoipContract, version=4.0

Windows.ApplicationModel.CommunicationBlocking.CommunicationBlockingContract, version=2.0

Windows.ApplicationModel.SocialInfo.SocialInfoContract, version=2.0

Windows.ApplicationModel.StartupTaskContract, version=3.0

Windows.Devices.Custom.CustomDeviceContract, version=1.0

Windows.Devices.DevicesLowLevelContract, version=3.0

Windows.Devices.Printers.PrintersContract, version=1.0

Windows.Devices.SmartCards.SmartCardBackgroundTriggerContract, version=3.0

Windows.Devices.SmartCards.SmartCardEmulatorContract, version=6.0

Windows.Foundation.FoundationContract, version=3.0

Windows.Foundation.UniversalApiContract, version=7.0

Windows.Gaming.XboxLive.StorageApiContract, version=1.0

Windows.Graphics.Printing3D.Printing3DContract, version=4.0

Windows.Networking.Connectivity.WwanContract, version=2.0

Windows.Networking.Sockets.ControlChannelTriggerContract, version=3.0

Windows.Services.Maps.GuidanceContract, version=3.0

Windows.Services.Maps.LocalSearchContract, version=4.0

Windows.Services.Store.StoreContract, version=4.0

Windows.Services.TargetedContent.TargetedContentContract, version=1.0

Windows.System.Profile.ProfileHardwareTokenContract, version=1.0

Windows.System.Profile.ProfileSharedModeContract, version=2.0

Windows.System.Profile.SystemManufacturers.SystemManufacturersContract, version=3.0

Windows.System.SystemManagementContract, version=6.0

Windows.UI.ViewManagement.ViewManagementViewScalingContract, version=1.0

Windows.UI.Xaml.Core.Direct.XamlDirectContract, version=1.0

Version 10.0.17134.1

Windows.AI.MachineLearning.Preview.MachineLearningPreviewContract, version=1.0

Windows.ApplicationModel.Calls.CallsVoipContract, version=3.0

Windows.ApplicationModel.SocialInfo.SocialInfoContract, version=2.0

Windows.ApplicationModel.StartupTaskContract, version=3.0

Windows.Devices.Custom.CustomDeviceContract, version=1.0

Windows.Devices.DevicesLowLevelContract, version=3.0

Windows.Devices.Printers.PrintersContract, version=1.0

Windows.Devices.SmartCards.SmartCardBackgroundTriggerContract, version=3.0

Windows.Devices.SmartCards.SmartCardEmulatorContract, version=5.0

Windows.Foundation.FoundationContract, version=3.0

Windows.Foundation.UniversalApiContract, version=6.0

Windows.Gaming.XboxLive.StorageApiContract, version=1.0

Windows.Graphics.Printing3D.Printing3DContract, version=4.0

Windows.Networking.Connectivity.WwanContract, version=2.0

Windows.Services.Store.StoreContract, version=3.0

Windows.Services.TargetedContent.TargetedContentContract, version=1.0

Windows.System.Profile.ProfileHardwareTokenContract, version=1.0

Windows.System.Profile.ProfileSharedModeContract, version=2.0

Windows.UI.ViewManagement.ViewManagementViewScalingContract, version=1.0

Version 10.0.16299.0

Windows.ApplicationModel.Calls.CallsVoipContract, version=2.0

Windows.ApplicationModel.SocialInfo.SocialInfoContract, version=2.0

Windows.ApplicationModel.StartupTaskContract, version=2.0

Windows.Devices.Custom.CustomDeviceContract, version=1.0

Windows.Devices.DevicesLowLevelContract, version=3.0

Windows.Devices.Printers.PrintersContract, version=1.0

Windows.Devices.SmartCards.SmartCardBackgroundTriggerContract, version=3.0

Windows.Devices.SmartCards.SmartCardEmulatorContract, version=5.0

Windows.Foundation.FoundationContract, version=3.0

Windows.Foundation.UniversalApiContract, version=5.0

Windows.Gaming.XboxLive.StorageApiContract, version=1.0

Windows.Graphics.Printing3D.Printing3DContract, version=4.0

Windows.Networking.Connectivity.WwanContract, version=1.0

Windows.Services.Store.StoreContract, version=2.0

Windows.Services.TargetedContent.TargetedContentContract, version=1.0

Windows.System.Profile.ProfileHardwareTokenContract, version=1.0

Windows.System.Profile.ProfileSharedModeContract, version=2.0

Windows.UI.ViewManagement.ViewManagementViewScalingContract, version=1.0

Version 10.0.15063.0

Windows.ApplicationModel.Calls.CallsVoipContract, version=1.0

Windows.ApplicationModel.SocialInfo.SocialInfoContract, version=2.0

Windows.Devices.DevicesLowLevelContract, version=3.0

Windows.Devices.Printers.PrintersContract, version=1.0

Windows.Foundation.FoundationContract, version=3.0

Windows.Foundation.UniversalApiContract, version=4.0

Windows.Graphics.Printing3D.Printing3DContract, version=3.0

Windows.Networking.Connectivity.WwanContract, version=1.0

Windows.Services.Store.StoreContract, version=2.0

Windows.Services.TargetedContent.TargetedContentContract, version=1.0

Windows.System.Profile.ProfileHardwareTokenContract, version=1.0

Windows.System.Profile.ProfileSharedModeContract, version=2.0

Windows.UI.ViewManagement.ViewManagementViewScalingContract, version=1.0

Version 10.0.14393.0

Windows.ApplicationModel.Calls.CallsVoipContract, version 1.0

Windows.ApplicationModel.SocialInfo.SocialInfoContract, version 1.0

Windows.Devices.DevicesLowLevelContract, version 2.0

Windows.Devices.Printers.PrintersContract, version 1.0

Windows.Foundation.FoundationContract, version 2.0

Windows.Foundation.UniversalApiContract, version 3.0

Windows.Graphics.Printing3D.Printing3DContract, version 3.0

Windows.Networking.Connectivity.WwanContract, version 1.0

Windows.Services.Store.StoreContract, version 1.0

Windows.System.Profile.ProfileHardwareTokenContract, version 1.0

Windows.System.Profile.ProfileSharedModeContract, version 1.0

Windows.UI.ViewManagement.ViewManagementViewScalingContract, version 1.0

Version 10.0.10586.0

Windows.ApplicationModel.Calls.CallsVoipContract, version 1.0

Windows.Devices.Printers.PrintersContract, version 1.0

Windows.Foundation.FoundationContract, version 1.0

Windows.Foundation.UniversalApiContract, version 2.0

Windows.Graphics.Printing3D.Printing3DContract, version 2.0

Windows.Networking.Connectivity.WwanContract, version 1.0

Version 10.0.10240.0

Windows.Foundation.FoundationContract, version 1.0

Windows.Foundation.UniversalApiContract, version 1.0

Windows.Networking.Connectivity.WwanContract, version 1.0