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preprocessor-symbols.md

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Target Frameworks Symbols Additional symbols
(available in .NET 5+ SDKs)		 Platform symbols (available only
when you specify an OS-specific TFM)
.NET Framework NETFRAMEWORK, NET48, NET472, NET471, NET47, NET462, NET461, NET46, NET452, NET451, NET45, NET40, NET35, NET20 NET48_OR_GREATER, NET472_OR_GREATER, NET471_OR_GREATER, NET47_OR_GREATER, NET462_OR_GREATER, NET461_OR_GREATER, NET46_OR_GREATER, NET452_OR_GREATER, NET451_OR_GREATER, NET45_OR_GREATER, NET40_OR_GREATER, NET35_OR_GREATER, NET20_OR_GREATER
.NET Standard NETSTANDARD, NETSTANDARD2_1, NETSTANDARD2_0, NETSTANDARD1_6, NETSTANDARD1_5, NETSTANDARD1_4, NETSTANDARD1_3, NETSTANDARD1_2, NETSTANDARD1_1, NETSTANDARD1_0 NETSTANDARD2_1_OR_GREATER, NETSTANDARD2_0_OR_GREATER, NETSTANDARD1_6_OR_GREATER, NETSTANDARD1_5_OR_GREATER, NETSTANDARD1_4_OR_GREATER, NETSTANDARD1_3_OR_GREATER, NETSTANDARD1_2_OR_GREATER, NETSTANDARD1_1_OR_GREATER, NETSTANDARD1_0_OR_GREATER
.NET 5+ (and .NET Core) NET, NET8_0, NET7_0, NET6_0, NET5_0, NETCOREAPP, NETCOREAPP3_1, NETCOREAPP3_0, NETCOREAPP2_2, NETCOREAPP2_1, NETCOREAPP2_0, NETCOREAPP1_1, NETCOREAPP1_0 NET8_0_OR_GREATER, NET7_0_OR_GREATER, NET6_0_OR_GREATER, NET5_0_OR_GREATER, NETCOREAPP3_1_OR_GREATER, NETCOREAPP3_0_OR_GREATER, NETCOREAPP2_2_OR_GREATER, NETCOREAPP2_1_OR_GREATER, NETCOREAPP2_0_OR_GREATER, NETCOREAPP1_1_OR_GREATER, NETCOREAPP1_0_OR_GREATER ANDROID, BROWSER, IOS, MACCATALYST, MACOS, TVOS, WINDOWS,
[OS][version] (for example IOS15_1),
[OS][version]_OR_GREATER (for example IOS15_1_OR_GREATER)

Note

  • Versionless symbols are defined regardless of the version you're targeting.
  • Version-specific symbols are only defined for the version you're targeting.
  • The <framework>_OR_GREATER symbols are defined for the version you're targeting and all earlier versions. For example, if you're targeting .NET Framework 2.0, the following symbols are defined: NET20, NET20_OR_GREATER, NET11_OR_GREATER, and NET10_OR_GREATER.
  • The NETSTANDARD<x>_<y>_OR_GREATER symbols are only defined for .NET Standard targets, and not for targets that implement .NET Standard, such as .NET Core and .NET Framework.
  • These are different from the target framework monikers (TFMs) used by the MSBuild TargetFramework property and NuGet.