How to open STP files

Did your computer fail to open a STP file? We explain what STP files are and recommend software that we know can open or convert your files.

What is a STP file?

Files that contain the .stp file extension normally hold 3D assembly files in a 3D product model data exchange format. These files contain three-dimensional object data. STP files can be supported by a variety of different mechanical design programs.

The files that contain the .stp file suffix are normally saved in a text-based ASCII format containing STEP ISO application protocols. These files are often used to exchange 3D data between different CAD systems.

The .stp file format is also by the Adobe Acrobat Exchange software. The Adobe software uses the .stp file extension for Acrobat Exchange plug-ins that allow a user to add additional features to the software application.

STP file openers, viewers, etc.

These apps are known to open certain types of STP files. Remember, different programs may use STP files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Free File ViewerFree File ViewerUser submitted
QuickVerseQuickVerseUser submitted
STP ViewerSTP ViewerUser submitted
SystranTP ModuleSystranTP ModuleUser submitted
Quartus IIQuartus IIUser submitted
MillMillUser submitted
Microsoft Expedia Streets & TripsMicrosoft Expedia Streets & TripsUser submitted
SYSTRAN Translation Project ManagerSYSTRAN Translation Project ManagerUser submitted
RhinocerosRhinocerosUser submitted
Quartus II Web EditionQuartus II Web EditionUser submitted
We have not verified any programs that we know for certain can work with STP-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with STP-files. If you know one, please use the Suggest link below and tell us about it!