STEP is extension of 3D Modelling file. It can be opened by Step 3D software.
STEP: it is standard file format that developed for product information exchanging. The name of format is Standard for the Exchange of Product Data and the extension name occurs from the first letters of words
Many familiar 3D softwares actually know this format. Such as:
STEP File Browser
You can run those files by using softwares that stated on the above list. In many cases, instead of using STEP extension .STP extension is used.
What to use STEP
which page related to STEP file
STEP Related Searches
You can check related links about STEP fileextension.