P21

PAR recovery volume
File type: Backup file
A p21 file extension is related to the PAR recovery volume format used by QuickPar software.
Found 2 different file type records with the same p21 filename suffix.
What is p21 file?
File type category:
Backup file
Date updated: May 9, 2018
The p21 file extension is associated with the QuickPar, a tool for Microsoft Windows operating system that allows users to verify and recovery data developed by Peter B. Clements.
The p21 file stores PAR recovery volume part 21.
How to open p21 file?
Use QuickPar to work with *.p21 files.
How to convert p21 file?
Probably cannot be converted to anything else.
Suggested software to open p21 file:
Associated software actions with the p21 file
Software apps that create p21 files:
QuickPar (Microsoft Windows)
Software apps that backup p21 files:
QuickPar (Microsoft Windows)
Software apps that recover p21 files:
QuickPar (Microsoft Windows)
Express STEP data model
File type category:
3d graphics, CAD-CAM-CAE file
Date updated: July 24, 2018
The p21 file extension is also used for files that contain 3D model data in ACSII text format. Used by JSDAI API.
Most likely some old format without support. No further information could be found.
How to open p21 file?
You might be able to view these files in any text editor, but in order to use the actual data you have to use a proper program like JSAID API.
How to convert p21 file?
Probably cannot be converted to other formats.
Associated software actions with the p21 file
Programs for viewing p21 files:
JSDAI for Eclipse (Microsoft Windows)