Home : File Types : STEP File

.STEP File Extension

File TypeSTEP 3D Model

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Category3D Image Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

What is a STEP file?

A STEP file is a 3D model file formatted in STEP (Standard for the Exchange of Product Data), an ISO standard exchange format. It contains three-dimensional data in a format that can be recognized by multiple programs.

More Information

In the CAD industry it can be difficult to share models between users with different CAD systems. The STEP format was developed as a solution to this problem. It is designed to be used similarly to how the .PDF format is used for saving documents in a widely supported format. You would most likely see the file when it is sent to you by another CAD user sharing a 3D model that you can view using different CAD software.

NOTE: The STEP format is STEP model files often use the .STP file extension.

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Programs that open STEP files
Dassault Systemes SolidWorks
IMSI TurboCAD Pro 2016
Autodesk Fusion 360
Kubotek USA KeyCreator
STEP Tools STEP File Browser
Dassault Systemes CATIA
Siemens Solid Edge
SpaceClaim Engineer
CADSoftTools ABViewer
IMSI TurboCAD Deluxe v9
Autodesk Fusion 360
Dassault Systemes CATIA
Autodesk Fusion 360
Autodesk Fusion 360
Autodesk Fusion 360
Windows Phone
Autodesk Fusion 360
Updated 11/18/2016

.STEP Extension Information

This page contains information about the file extension STEP and its known file associations. Our goal is to help you understand what a *.step file is and how to open it.

The STEP 3D Model file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

If you would like to suggest any additions or updates to this page, please let us know.