A step file extension is associated with the  STEP (Standard for the Exchange of Product Data) format.

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Software that works with step file extension

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STEP file extension - ISO-10303 STEP product data

What is step file? How to open step files?

File type specification:

3d graphics, CAD-CAM-CAE file type icon 3d graphics, CAD-CAM-CAE file type

The step file extension is used for 3D files created in  STEP (Standard for the Exchange of Product Data) format.

STEP is an ISO standard for the computer-interpretable representation and exchange of industrial product data. Typically STEP can be used to exchange data between CAD, Computer-aided manufacturing, Computer-aided engineering, Product Data Management/EDM and other CAx systems.

STEP is addressing product data from mechanical and electrical design, Geometric dimensioning and tolerancing, analysis and manufacturing, with additional information specific to various industries such as automotive, aerospace, building construction, ship, oil and gas, process plants and others.

MIME types:

The default software associated to step file type:

SolidWorks icon

SolidWorks Corporation logo SolidWorks  Microsoft Windows software

Company or developer:
  SolidWorks Corporation

SolidWorks is 2D and 3D CAD (computer-aided design) and CAE (computer-aided engineering) construction software for Microsoft Windows developed by SolidWorks Corporation.

SolidWorks is distributed in three distributions: Solidworks Premium, Solidworks Professional and SolidWorks Standard.

CATIA icon

Dassault Systèmes S.A. logo CATIA  Microsoft Windows software

Company or developer:
  Dassault Systèmes S.A.

CATIA is (Computer Aided Three dimensional Interactive Application) PLM/CAD/CAM/CAE software suite used to create virtual 3D models, developed by Dassault Systèmes S.A. for Microsoft Windows. CATIA is written in the Fortran and C programming languages.

CATIA delivers the unique ability not only to model any product, but to do so in the context of its real-life behavior: design in the age of experience. Systems architects, engineers, designers and all contributors can define, imagine and shape the connected world.

Autodesk Inventor icon

Autodesk, Inc. logo Autodesk Inventor  Microsoft Windows software

Company or developer:
  Autodesk, Inc.

Autodesk Inventor is 3D solid modeling and design tool used to design and simulation 3D digital prototypes.

Autodesk Inventor shares 2D data from the AutoCAD and 3D design data from other Autodesk's applications. Autodesk Inventor is available for Microsoft Windows.

Help how to open STEP files:

Most modern CAD programs support STEP format and are able to work with it.

How to convert file with extension STEP:

Use any compatible tools to transform STEP data to other formats.

Find conversions from step file:

step to 3ds

step to 3dxml

step to dwg

step to dxf

step to obj

step to pdf

step to stl

Find converter to step file type:

3dxml to step

dwg to step

igs to step

sat to step

skp to step

sldprt to step

x_t to step

Related links:

ISO-10303 at Wikipedia

List of software applications associated to the .step file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open step file, edit step file, convert step file, view step file, play step file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the step files.

  • Open step file
  • Save step file
  • Edit step file
  • View step file
  • Convert step file
  • Create step file
  • Import step file
  • Export step file
  • Print step file

Software that open step file - ISO-10303 STEP product data

Click on the link to get more information about listed programs for open step file action.

Microsoft Windows:

Main software associated with step file by default:
CATIA small icon CATIA
Other suggested software:
AutoCAD small icon AutoCAD
TurboCAD small icon TurboCAD
Creo Parametric

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