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STEP file extension

The table below provides useful information about the .step file extension. It answers questions such as:

  • What is the .step file?
  • What program do I need to open a .step file?
  • How can the .step file be opened, edited or printed?
  • How can I convert .step files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 2 alias(es) found in database

✅ ISO 10303 STEP Document

.step
ISO 10303 STEP Document .step file icon
Description:
The STEP file is an ISO 10303 STEP Document. ISO 10303 is an ISO standard for the computer-interpretable representation and exchange of product manufacturing information. Its official title is: Automation systems and integration - Product data representation and exchange. It is known informally as STEP, which stands for Standard for the Exchange of Product model data. ISO 10303 can represent 3D objects in Computer-aided design (CAD) and related information.
STEP format description not yet available
Category: Document files
Application: Solid Edge
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
STEP aliases:
-
STEP related links:
-
STEP related extensions:
Autodesk Drawing eXchange File

Solid Edge Draft Document

Solid Edge Parts Document

Solid Edge Assemblies Document

Solid Edge Sheet Metal Document

Solid Edge Wire Harness Design

Autodesk Drawing Interchange Binary

Viewpoint MTS Document

Solid Edge Wire Harness Design XML

XZ Compressed STEP Document

✅ Catia Document

.stp
Catia Document .stp file icon
Description:
The STP file is a Catia Document. It is based on STandard for the Exchange of Product model data. CATIA (Computer Aided Three Dimensional Interactive Application) is a multi-platform CAD/CAM/CAE commercial software suite developed by Dassault Systemes and marketed world-wide by IBM.
STP format description not yet available
Category: Document files
Application: Catia
Mime-type: application/x-step
Magic number: -
Magic string: -
Sample: -
STP aliases:
step
STP related links:
STP related extensions:
Autodesk AutoCAD Drawing

Autodesk Drawing eXchange File

IronCAD Scene

Autodesk Design Web Format

Autodesk AutoCAD Heidi Information File

Autodesk AutoCAD Heidi Device Interface

Pro/ENGINEER Neutral Assembly

Cadence Allegro PCB Layout

Ashlar-Vellum Graphite Document

Autodesk DWF XPS Document

✅ Tekla STEP Data

.stp
Tekla STEP Data .stp file icon
Description:
The STP file is a Tekla STEP Data. Tekla Structures is a tool for structural engineers, detailers, and fabricators. It is an integrated model-based 3D solution for managing multi-material databases (steel, concrete, timber, etc.). Tekla Structures features interactive modeling, structural analysis and design, and automatic drawing creation.
Category: Data files
Application: Tekla Structures
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
STP aliases:
step
STP related links:
-
STP related extensions:
Tekla Structures Model

Tekla Numbering Database

Tekla ID Mapping File

Tekla Structures Exported Model

Tekla Structures Conversion File

Tekla Structures Contour Plate Properties

Tekla Structures Reinforcement Mesh Properties

Tekla Structures NC File

Tekla Structures Custom Components Data

Tekla Structures Exported Data

Other types of files may also use the .step file extension.

🚫 The .step file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

sep, srep, ste, stel, stp, stsp, tep, tsep

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

SimEnhancer Profile
FScruiser Setup Data
Tekla STEP Data
Stella4D Polyhedron Data
RSView Machine Edition Startup Settings Data
SEEP/W Data
SYSTRAN Translation Project Manager Project
WSxM SPM Processed Data
Catia Document
NASCAR Racing 2003 Track Picture

🔴 Can't open a .step file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:

example.step

To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .step file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .step file extension, write to us!

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