.HPJ file extension

This is the basic program to work with .HPJ extension

SynaptiCAD Product Suite .hpj

The SynaptiCAD Product Suite includes the following products: TestBencher Pro, VeriLogger Extreme, VeriLogger Pro, BugHunter Pro, DataSheet Pro, WaveFormer Pro, WaveFormer Lite, Timing Diagrammer Pro, GigaWave Viewer, Vhdl2Verilog, and Verilog2Vhdl. A license is required for all versions... (more)

The program works with the following extensions: fp, tim, hpj, tdm, tdml and btim

.HPJ extension is also supported by the following programs:

Microsoft® Help Workshop Help Project File

Help Workshop Help Project File

HTML Help Workshop is a program for creating and managing your projects.