There are 2 file types use the .OPJ file extension:
1. Origin Project

- Developer OriginLab
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Popularity
- Category Data Files
- Format N/A
An OPJ file is a project created by Origin, a data analysis and graphing application used by various scientists and engineers. It contains all of the project contents, which includes data, 2D/3D graphs, and settings.
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Updated: October 30, 2017
2. OrCAD Project File
CAD project file created by OrCAD, a program used for designing electric circuits, known as PCBs (printed circuit boards); saves references to files included in the project as well as project settings; usually references at least a .DSN design file; used for storing PCB design information together.
OPJ files are saved in a plain text format, but should only be modified using the OrCAD user interface instead of a text editor.
Software's name | License | Platforms |
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Free Trial | ![]() |
Updated: August 15, 2016