STPfile extension


Have trouble opening the .stp extension? Don't panic! This page explains stp files and suggests programs you may use to open stp files. You can download these programs through this page!


What is STP file?

An STP file is considered a 3D assembly file that supports various mechanical design programs (IMSI TurboCAD and Autodesk Fusion 360). It contains 3D object data saved in Standard for the Exchange of Product Data (STEP) formats. The STP files are saved in ASCII text format that conforms to the STEP Application Protocols ISO 10303-2xx protocol.

Additional data

The STEP file format is considered a standardized 3D model format for engineers to use for saving/transferring 3D models between CAD and CAM.

Many STEP files are saved with a .stp extension. The user can encounter STEP models with a .step extension. Such files have standard text data from the CAD or CAM to load the 3D model.


How to open STP file?

Here are some universal methods of opening a file. Please, use this list of solutions.

Method 1: Correctly fix file association error

By following these steps, the user will be able to fix the stp extension association problem in an instant automatically:

Step 1: Click the "Download Solution" button to download the automatic tool from Appsitory.

Step 2: Now click "Start Scan" to find out all potential problems.

Step 3: Review the resulting scan and click the "Fix Items" option.

Method 2: Download apps that open the stp file

Here is a list of the presented programs that you should use to open/convert the stp file. You can choose the right program for your OS and click on it to start the download. You can also visit the developer's website.

Apps that open STP files

Method 3: Use Universal File Viewer

The recommended use of Universal File Viewer, a tool for opening over 250 file extensions, complements the list of programs above. This utility is capable of opening your stp file. Download Universal File Viewer to your OS quickly and securely.