.P21 File Extension

There is only one file type that uses the .P21 extension:

Express STEP Data Model File

Express STEP Data Model File

3D model format used for three-dimensional product data representation and exchange; saved in an ACSII text format specified by ISO 10303-21; used primarily for industrial automation systems and integration purposes.

NOTE: Express AIM (Application Integrated Model) and MIM (Modular Integrated Model) files must use the .STP extension.

Software's name License Platforms
LKSoft JSDAI for Eclipse LKSoft JSDAI for Eclipse Windows

Updated: June 1, 2008

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