Files with arp extension are used by the Adobe Audition software.
ARP file extension - Adobe Audition play data file
What is arp file? How to open arp files?
The arp file extension is associated with the Adobe Audition (also known as Cool Edit Pro) audio editing and mixing software for Mac and Windows. The .arp file contains play data used for internal purposes of the Adobe Audition application.
The default software associated to open arp file:
Company or developer:
Adobe Systems Incorporated
Adobe Audition is professional tool used to mix, edit, and master digital audio files. Audition is available as stand alone application, or as a part of Adobe Creative Suite and Creative Cloud.
List of recommended software applications associated to the .arp file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open arp file, edit arp file, convert arp file, view arp file, play arp file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with arp file - Adobe Audition play data file
Click on the software link for more information about Adobe Audition. Adobe Audition uses arp file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).