Hi @djyoungamr, welcome to the Community! Djay stores your My Collection playlists, cue points, saved loops, and other metadata in the djayMediaLibrary database. Please refer to the help topic below for more info on backing up and moving your data:
Please note, that this doesn’t contain any of your actual music files though. You will need to backup your actual local music files separately. You could do this manually outside of djay or with the new OneLibrary feature: