: This signifies that the audio was ripped from a physical CD using Exact Audio Copy , the industry-standard software for creating "perfect" digital copies. EAC uses advanced error-correction to ensure the data is bit-for-bit identical to the original disc.

: Use 7-Zip or WinRAR to open the .rar file and move the folder to your computer.

: Check for a .log file inside. This log, generated by EAC, proves the quality of the rip and confirms no errors occurred during the process.

: This is a compressed archive file. You will need a program like WinRAR or 7-Zip to "extract" the contents, which will typically include the FLAC audio files, a .cue sheet (for track listing), and log files from the EAC rip. How to use this file