Privacy & safety · Keeping your files safe
Can Storage Studio delete files on my external drive that it didn't put there?
Short answer: Its clean-up and repair actions stay inside its own area on the drive, and setting up a drive adds a small folder layout without erasing existing files. Any deletion it offers comes with a confirmation first.
Storage Studio's clean-up and repair actions are limited to its own area of the drive. Setting up a drive creates a small folder layout for relocated apps, folders, backups and its own settings — it doesn't erase what's already there.
Where it offers to delete something — such as a broken record in the Storage Inspector's Relocated panel — it shows a confirmation tailored to that case first. Actions you run yourself on a folder you choose, like a Data Parking Move onto a destination, do change that destination; their confirmations explain how.