We’ve listed them before but we cannot stress enough what you should shred.
See a comprehensive list of the top 20 items you should shred in the list below.

1. Legal documents

2. Payroll records

3. Financial records

4. Payroll records

5. New product proposals

6. Magnetic media (tapes, disks, CD’s or anything storing electronic data)

7. Account records

8. Medical records

9. Class Rosters

10. Maps and blueprints

11. Inventory lists

12. Confidential correspondence (such as letters, emails, etc.)

13. Customer lists and estimates

14. Invoices

15. Outdated business records

16. Tax records

17. Credit and ID Cards

18. Microfilm and fiche

19. Price Lists

20. Cancelled checks

21. Junk Mail (this is overlooked quite often)