QPR (FoxPro Generated Query Program)
The QPR Developer file format
Files with the QPR extension are associated with Microsoft’s Visual FoxPro. QPR files contain source code written in this by now discontinued programming language. These files are created by the aforementioned Visual FoxPro query program.
Technical details of QPR files
Visual FoxPro uses a programming language that is data-centric, object-oriented, and procedural.