Having problems opening a stp file?

Find out what programs can help open, view, play or convert your stp files.

Opening 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 stp files.

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What is stp file?

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.

Software that will open, convert or fix stp files

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