What is .ROCK file extension?
Plug-in file used by Rockbox, an open source firmware for portable music players; stores a game or another small application that can run on Rockbox; enables Rockbox "apps" to be used on iPods, SanDisk MP3 players, and other portable music players.
NOTE: The Rockbox firmware is installed using the Rockbox Utility, a desktop application for Mac, Windows, and Linux platforms.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.