.NEU File Extension
File TypePro/ENGINEER Neutral File
This file is saved in a binary format, which requires a specific program to read its contents.
What is a NEU file?
File created by Pro/ENGINEER, a program used for 3D product design; contains part information, including geometry, layering, appearance, parameter data, materials, and other design information; stores parts in a neutral format so they can be imported into other CAD programs.