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MSB4075 diagnostic code

This article describes the MSB4075 error code.

Message text

MSB4075: The project file 'file-path' must be opened in the Visual Studio IDE and converted to the latest version before it can be built by MSBuild.

Description

This error is given when MSBuild tries to open a project file that is in a format is no longer supported in the current version of Visual Studio and MSBuild. For example, projects with the extension .vcproj are not supported in MSBuild.

Resolution

Open the project in Visual Studio to convert the project to a newer format. For example, in the case of .vcproj, Visual Studio upgrades the project and generates a .vcxproj file, which you can build on the MSBuild command line, or in Visual Studio.

Applies to

All versions of MSBuild