The file extension ARP marks replays (saved retries) of the Audition games. Audition is an online music and dance game from Korea in which you can save the performance as an ARP file for later viewing or sharing with Audition.
ARP files are usually stored in the Audition folder under 'RecData'. An ARP file may not be compatible with certain Audition versions. In addition, the song used in the ARP file must exist because it is not saved.
Most often resolving problems with opening ARP files is very simple. Just install an appropriate program that supports such files. All of the listed programs support ARP files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of ARP files or offer file conversion options, but may not be capable of editing such files.
It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate ARP files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the Redbana Audition applications is not on the list, select "Browse" option in order to manually locate the directory where Redbana Audition has been installed.
Sometimes problems with opening ARP files may not lie with the application itself, but can arise due to other causes, such as: