Answer
- When you delete a file from your computer, it’s usually moved to the recycle bin so that you can restore it if you change your mind. Backup files work in the same way.
- Deleting a backup file from your computer will move it to the recycle bin on your backup drive.
- If you want to permanently delete a backup file, right-click on it and select Delete from the menu.
How to Delete Backup From iCloud on iPhone X/8/7/6 or iPad iOS 12/11 Free Up Storage
How to delete old backups to clear up Data Drive space DATA (D:) full
On Android, uninstalling an app generally does not clear its data. This means that any personal information or user settings you may have entered while using the app will still be there when you reinstall it, or switch to a different app. If you want to remove all traces of an app and its data from your device, you’ll need to use a third-party tool like Titanium Backup or App Uninstaller.