P21 is a file extension commonly associated with PAR Recovery Volume files. P21 file format is compatible with software that can be installed on Windows system platform. P21 file belongs to the Backup Files category just like 174 other filename extensions listed in our database. The software recommended for managing P21 files is QuickPar. QuickPar software was developed by Peter B. Clements, and on its official website you may find more information about P21 files or the QuickPar software program.
The following listing features P21-compatible programs. Files with P21 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.
Being unable to open files with P21 extension can be have various origins. On the bright side, the most encountered issues pertaining to PAR Recovery Volume files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.
The main and most frequent cause precluding users form opening P21 files is that no program that can handle P21 files is installed on user’s system. The solution is straightforward, just download and install QuickPar. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download QuickPar installer in the most secured manner, we suggest you visit Peter B. Clements website and download from their official repositories.
If you already have QuickPar installed on your systems and P21 files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. The reason that QuickPar cannot handle files with P21 may be that the software is outdated. The latest version of QuickPar should support all file formats that where compatible with older versions of the software.
If the issue has not been solved in the previous step, you should associate P21 files with latest version of QuickPar you have installed on your device. The method is quite simple and varies little across operating systems.
Change the default application in Windows
Change the default application in Mac OS
If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the P21 file in question. It is probable that the file is corrupted and thus cannot be accessed.
Should it happed that the P21 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 scanner detected that the P21 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.
Did you receive the P21 file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with P21 extension was interrupted and the file data is defective. Download the file again from the same source.
There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the PAR Recovery Volume file again.
If the system is under havy load, it may not be able to handle the program that you use to open files with P21 extension. In this case close the other applications.
Latest versions of programs and drivers may help you solve problems with PAR Recovery Volume files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle P21 files.
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