- The helper that reads the card opens it read-only and has no way to write to any drive.
- Saved scans, previews and temporary files go to your computer's own drive, not to the card.
- The app won't save recovered files to the drive you are recovering from. Choosing where to save.
- The helper opens only the card you chose, and stops when you quit the app. On a Mac it starts after you enter your password; on Windows, after you click Yes. Mac · Windows.
- The app treats recovered file names and contents as text and never runs them as code.
What it can't protect against
Reading a card that is physically failing can make it worse. If the card has been dropped, bent or got wet, or your computer struggles to see it, a data recovery lab is the safer choice.
Other apps, cameras, macOS and Windows can still write to the card. Stop using it until you have recovered your files.
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