File Extension Database

Open P21 File

The P21 files have several associated uses, of a different nature, namely:


The P21 format and extension files belong to LKSoft's JSDAI. This type of P21 file is mainly associated with STEP-file, a format used to save 3D models and for the representation and / or exchange of product data in the industrial automation sector.

JSDAI is an Application Programming Interface (API) for reading, writing and runtime manipulation of object oriented data defined by an EXPRESS based data model.

Its raw content is 3D models, represented as standard ASCII ISO 10303-21 text, which defines the physical properties of 3D models. The data of a 3D model in a P21 file consists of several sections including a header, a description of the file, an outline, data.

This data is used primarily for industrial automation systems and integration purposes.


QuickPar, a tool for data verification and recovery on Windows operating systems, uses P21 files to store volume PAR recovery part 21.

QuickPar creates parity volumes using the Reed Solomon algorithm. This makes the P21 file a backup type file.

To open and operate on a P21 file, you must make sure of the file type, and then have one of the following software installed:

Open P21 File on Windows

Open P21 File on Mac OS

Open P21 File on Android

If you downloaded a P21 file on Android device you can open it by following steps below:

Open P21 File on iPhone or iPad

To open P21 File on iOS device follow steps below:

Rate "open P21 file" page:   4/5 based on 4 ratings

Populating this website with information and maintaining it is an ongoing process. We always welcome feedback and questions that can be submitted by visiting Contact Us page. However since there are many users visiting this website and because our team is quite small we may not be able to follow up personally on every request. Thank you for your understanding.

Open P21 file article translations

open p21 fileopen p21 fileopen p21 fileopen p21 fileopen p21 fileopen p21 fileopen p21 fileopen p21 file

For more general information about how to open P21 files, file extension p21 and registry you can read one of the following articles:

  • open p21 fileWindows registry - Windows registry is included in modern Windows operating systems to replace the older INI files which also contained system configuration. Let's concentrate on the structure and purpose of Windows System Registry, review some possible attacks to it and ways to avoid them...
  • open p21 fileFolders, files and paths - Files are the entries or information stored on your computer. These are represented by binary coding and written on the tracks on a disk. Files are often represented by distinct icons, a normal practice done by Microsoft with their products including system files for their series of operating systems...
  • open p21 fileWhat are file extensions? - File extensions are unnoticed yet are very crucial parts of the computer world. But many are still unaware of the basic foundation and principles behind the remarkable wonders of computers...