NVIDIA CUDA project
File type: Various data file
A cpj file is a project file for NVIDIA CUDA, a parallel computing platform and programming model.
It stores information about a CUDA programming project used with the CUDA Toolkit on Microsoft Windows.
File type category:
Various data file
Date updated: October 16, 2026
The cpj file extension is associated with NVIDIA CUDA, a parallel computing platform and programming model developed by NVIDIA.
A cpj file represents a CUDA programming project. It can contain the project information needed to organize the project and work with its CUDA source files in the CUDA Toolkit programming environment.
This format is intended for the Microsoft Windows version of the CUDA Toolkit and is used as a project file rather than as a compiled CUDA program or a general-purpose data file.
On Microsoft Windows, open the cpj file with the CUDA Toolkit. The file is a project definition and may not be useful when opened as a standalone document.
A cpj file is not normally converted to another file format. To move the project to a different or newer development environment, recreate or migrate the project there and transfer its source files and applicable project settings.
Software applications that can open cpj files:
Microsoft Windows
Software applications that can edit cpj files:
Microsoft Windows
Software capable of saving cpj files:
Microsoft Windows
Software apps that create cpj files:
Microsoft Windows
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