PAR2 File Extension

PAR2 file icon
Parchive 2 Index Format
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What is PAR2 file?

PAR2 is a file extension commonly associated with Parchive 2 Index Format files. Parchive defined the Parchive 2 Index Format format standard. PAR2 file format is compatible with software that can be installed on Linux, Mac OS, Windows system platform. PAR2 file format, along with 189 other file formats, belongs to the Compressed Files category. Users are advised to use QuickPar software for managing PAR2 files, although 2 other programs can also handle this type of file. QuickPar software was developed by Peter B. Clements, and on its official website you may find more information about PAR2 files or the QuickPar software program.

Programs which support PAR2 file extension

The list that follows enumerates programs compatible with PAR2 files, divided into 3 categories based on operating system on which they are available. Files with PAR2 extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support PAR2 file

Windows Windows

How to open file with PAR2 extension?

Being unable to open files with PAR2 extension can be have various origins. On the bright side, the most encountered issues pertaining to Parchive 2 Index Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the QuickPar

The most common reason for such problems is the lack of proper applications that supports PAR2 files installed on the system. This one is an easy one. Select QuickPar or one of the recommended programs (for example, parchive, deLuxe) and download it from appropriate source and install on your system. Above you will find a complete listing of programs that support PAR2 files, classified according to system platforms for which they are available. The safest method of downloading QuickPar installed is by going to developer’s website (Peter B. Clements) and downloading the software using provided links.

Step 2. Update QuickPar to the latest version

If the problems with opening PAR2 files still occur even after installing QuickPar, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of QuickPar is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of QuickPar installed, it may not support PAR2 format. The latest version of QuickPar should support all file formats that where compatible with older versions of the software.

Step 3. Associate Parchive 2 Index Format files with QuickPar

If the issue has not been solved in the previous step, you should associate PAR2 files with latest version of QuickPar you have installed on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

  • Right-click the PAR2 file and choose Open with option
  • Click Choose another app and then select More apps option
  • Finally select Look for another app on this PC, point to the folder where QuickPar is installed, check the Always use this app to open PAR2 files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

  • By clicking right mouse button on the selected PAR2 file open the file menu and choose Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select QuickPar and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with PAR2 extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the PAR2 is not faulty

Should the problem still occur after following steps 1-3, check if the PAR2 file is valid. Problems with opening the file may arise due to various reasons.

1. Verify that the PAR2 in question is not infected with a computer virus

Should it happed that the PAR2 is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the PAR2 file is indeed infected follow the instructions below.

2. Verify that the PAR2 file’s structure is intact

If the PAR2 file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. If the PAR2 file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open QuickPar

The operating systems may note enough free resources to run the application that support PAR2 files. Close all running programs and try opening the PAR2 file.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Parchive 2 Index Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle PAR2 files.

Do you want to help?

If you have additional information about the PAR2 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on PAR2 file.

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