Are deleted files really deleted?

Related questions

1. Are deleted files really gone?
2. How do you get back photos you permanently deleted?
3. Does defrag erase deleted files?
4. Are permanently deleted photos gone forever?
5. Are deleted photos really gone?
6. Will System Restore recover deleted files?
7. Can you recover deleted files after emptying the recycle bin?
8. Can you recover files deleted from recycle bin?
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10. Can we recover shift deleted files without software?

Tags

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2. #aware
3. #deleting
4. #removed
5. #completely
6. #deleted
7. #common
8. #after
9. #retrieved
10. #sensitive
11. #files
12. #users
13. #still
14. #highly
15. #misconception
16. #drive
17. #because
18. #however
19. #should