File Type 1 STEP 3D CAD File IconSTEP 3D CAD File
File Format Standard
Usage Referenced by an application; not meant to be opened manually; may run a program or script when opened
Rank ★ ★ ★  Common

3D assembly file containing three-dimensional object data; supported by various mechanical design programs as a 3D product model data exchange format.

STP files are saved in a text-based ASCII format that conforms to the STEP Application Protocols ISO 10303-2xx.

Open With

IconIMSI TurboCAD for Windows

IconideaMK STP Viewer

IconAutodesk Fusion 360


IconIMSI TurboCAD for Mac


IconAutodesk Fusion 360


IconDassault Systemes CATIA



Updated August 29, 2013
File Type 2 Generic IconSharePoint Template
File Format Proprietary (Microsoft)
Usage Open manually
Rank ★ ☆ ☆  Uncommon

A SharePoint STP file is a template for creating a new SharePoint website. It includes custom layout and site settings, but does not include the actual website files. STP files can be loaded using the SharePoint template gallery.

Info About Microsoft SharePoint

SharePoint is a collection of products and components that are used for Web-based collaboration and process management. The software can also be used as a document management platform. SharePoint websites are often used for company intranets and may also serve as wikis and blog.

Open With

IconMicrosoft Windows SharePoint Services

IconMicrosoft Office SharePoint Server

Updated November 3, 2009