How to open STP file extension?

The author of advice: Mr Brankiewicz

STP files are incessantly popular. However, a file name containing STP file extension is problematic for some of the users. They have problems with correct opening of a file with STP extension. However, it should be remembered that STP file extension can match one or more types of files. The most popular is ISO-10303 STEP Product Data Format but if there are others, you will find information concerning them below.

So, it is worth looking close at the problem concerning STP files and search for its solution.

A list of programs supporting files types with STP extension can be found below. Applications are sorted according to appropriate operational systems and their popularity.

  • ISO-10303 STEP Product Data Format

    .stp file extension

    Category: 3D&CAD Files

    OS Software
    Windows IMSI TurboCAD Deluxe 17 IMSI TurboCAD Deluxe 17
    Dassault Systemes CATIA Dassault Systemes CATIA
    Dassault Systemes DELMIA Dassault Systemes DELMIA
    MAC OS IMSI TurboCAD Deluxe v5 IMSI TurboCAD Deluxe v5
    Linux Dassault Systemes CATIA Dassault Systemes CATIA
  • Analysis Studio Project Information Format

    .stp file extension

    Category: Database Files

  • Microsoft SharePoint Services Template

    .stp file extension

    Category: Internet Files

    OS Software
    Windows Microsoft Windows SharePoint Services Microsoft Windows SharePoint Services
    Microsoft Office SharePoint Server Microsoft Office SharePoint Server

How to check if a file we want to open is not infected by malware or viruses?

  • Download Malware/viruses removal tool from STP files in the Windows system.
  • Click “Start scanning” and wait until the programme performs the scanning process on your computer.

What are the reasons of errors concerning STP extension of files?

The problem that often causes damage concerning STP extension are Windows system registry errors. That is why, in the first place it is recommended to:

  • Scan computer in order to identify, repair and open the STP file
  • Check system registry from the angle of hidden errors
  • Repair file’s associations with programs in the system registry

If you are not sure if the above problems concern you, you should consider other frequent irregularities:

  • You do not have an appropriate application installed that supports STP file extension
  • STP file is corrupted
  • The application’s version necessary to open the file is not correct
  • The file is not assigned to an appropriate program

Solving problems with STP files


If STP file does not open, firstly, it is worth using files associations built in the Windows system with application that can support them. In order to do it, you should double-click a STP file icon. A list of programs that probably support such a file will appear. It is enough to choose one of them so that Windows would open a given extension with it. Incorrect file’s association will result in Windows trying to open STP file with a wrong program all the time even if there is an appropriate application supporting this format on a drive. In this case, it is necessary to perform the above mentioned registry scanning and associations’ repair.

If associations are correct and Windows still cannot open the file, most probably the computer does not have appropriate software supporting files with name containing STP in their extension. The solution to this problem is very simple. You should buy or download a free (if they exist) application that will allow you to open, browse and edit STP format (You can also try to find more informations on FileInfo). It is no risk because many paid programs have free test versions enabling to check their functionality.

Do you have extra information about a STP file? [ Add information about a STP file ]

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