: Set the Recovery File Size to "Variable" to generate multiple PAR2 files of increasing size. This lets users download only the specific amount of "paper" they need to fix their specific errors.
To create a parity (PAR2) file—commonly referred to as "paper" or "repair blocks"—for the multi-volume archive , you can use specialized software designed to verify and repair split RAR archives. These files act as "insurance" for your data by allowing you to reconstruct missing or damaged parts of the archive. Tools for Creating PAR2 Files
: The actual recovery data. The number after the + (e.g., +01 ) tells you how many blocks of "paper" that specific file provides.
: Contains the index and verification data used to check if the 22 parts are healthy.
: A graphical interface for macOS that can create and repair PAR2 files. Step-by-Step Creation Process (using QuickPar)