Periodically archive daily backups

I have a folder containing automated daily backups. I would like to maintain a running one week worth of daily backups, and I'd like to have the oldest daily backup copied to an archive folder every 7 days. Not sure how to approach this, but the result after seven days should be: Backup Folder (File 1, 2, 3, 4, 5, 6, 7) Archive Folder (File 1). Seven days later: Backup Folder (File 8, 9, 10, 11, 12, 13, 14) Archive Folder (File 1,

Is the possible?

You can try a condition like "Date added is not among the 7 most recent" to match anything that isn't the 7 most recent.