What is a par2 file and how do I open a par2 file?
Files that are stored in the PAR2 format is classified as a compressed file that contains one or more files and even folders that have been archived by the author of the PAR2 files. These files are affixed with the .par2 extension and can be created by accessing the file compression features that are integrated into the Parchive software. This application's file compression functionalities are also implemented with features for automatically checking the stability of the data stored in a file and can even implement solutions which may solve errors it has detected within the content of the file. The Parchive software is embedded with support for widely used versions of Microsoft Windows, and users need to install this software first into their systems in order to integrate support for these PAR2 files.
Relevant par2 file links:
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How to open par2 file on Microsoft.com