Use the File menu > Import > CIS/2 Step File command to import an .stp file created using the CIMsteel Integration Standard (CIS). CIS is a set of formal computing specifications used in the steel industry to make software applications mutually compatible. This file type is often used by steel fabricators outside the United States.
Click the File menu > Import > CIS/2 Step File command to access the Open CIS/2 STEP File form.
Use the Look in drop-down list to set the path and the File name edit box to identify the .stp file to be imported.
Click the OK button.
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