This post talks about what is an STP file and how you can open such files in Windows 11/10. STP or STEP is a 3D assembly file saved in Standard for the Exchange of Product Data (STEP) format.

The DWG format was originally designed by Mike Riddle in 1977 and licensed to AutoDesk Inc. in 1982 for creating two- and three-dimensional drawings. Although DWG is designed for AutoCAD, other ...