PAR File

What are PAR files and how to open them

Are you having problems opening a PAR file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a PAR file?

PAR files have multiple uses, and Aerofly Model Parameters is one of them. Read more about the other uses further down the page.

Aerofly Model Parameters

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open PAR files

Important: Different programs may use files with the PAR file extension for different purposes, so unless you are sure which format your PAR file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different PAR openers which you will find listed below.

Last updated: November 28, 2022

All known file formats using extension .PAR

While Aerofly Model Parameters is a popular type of PAR-file, we know of 8 different uses of the .PAR file extension. Different software may use files with the same extension for different types of data.

Parity Archive Volume Set

These files are Parchive volume files that are used to reconstruct missing volumes from multi-part file archives. If a volume from a split archive file becomes corrupt or accidentally lost or deleted, the .par file can reconstruct the archive. This file format is commonly used with USENET postings.

PAR opener for Windows

We have identified 3 PAR openers that are compatible with this specific type of PAR file.


Solid Edge Part Model

We know that one PAR format is Solid Edge Part Model. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Programs that open these PAR files

We have identified one PAR opener that is compatible with this specific type of PAR file.

Solid EdgeSolid EdgeVerified

Word Writer 128 Print Parameters

Word Writer 128 was a word processing application published in 1986 for the Commodore 128 home computer. It stored print parameters in a PAR file.

More file formats using the PAR extension

Through our research of PAR files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • GSMSEND Configuration
  • IPCAS Floppy Disk Emulator Configuration
  • PAR Compressed Archive
  • World Construction Set Parameters

Various apps that use files with this extension

These apps are known to open certain types of PAR files. Remember, different programs may use PAR files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Windows GrepWindows GrepUser submitted
QuickSFVQuickSFVUser submitted
EdgecamEdgecamUser submitted
Sakura Editor (Japanese)Sakura Editor (Japanese)User submitted
PowerSpecPowerSpecUser submitted
NCDriveNCDriveUser submitted
ISED5 ApplicationISED5 ApplicationUser submitted
Pathtrace EdgeCAMPathtrace EdgeCAMUser submitted
AEE LINEA5AEE LINEA5User submitted
GEOgrafGEOgrafUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about PAR file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.