The .prt file extension is most commonly associated with the Pro/ENGINEER CAD software application. Files with the .prt extension contain part files that are created with the program. These files are used in the design of manufactured parts and contain part information including the structure of the part and a 3D model. Multiple PRT files can be combined into an assembly file, which is given the .asm file extension.
The .prt file extension is also used for Dr.Halo printer driver files, P-CAD component files, IRMA Workstation for Windows printer configuration files, WordPerfect Presentations document template files and Microsoft Schedule+ print files.
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If you have additional information about the PRT file format or software that uses files with the PRT suffix, please do get in touch - we would love hearing from you.