Currently CamScanner does not support saving docs to iCloud. If you need to backup data, we recommend you register a CamScanner account via the app. By registering and signing to the account, all scanned docs can be auto synced to the cloud at www.camscanner.com. After syncing, you can restore all docs by signing in with this account. You don’t need to worry about data loss when you reset the phone system or change new phones.