How can I prevent QuickBooks data loss in the future?

https://quickbookhelpdesk.com/blog/restore-quickbooks-backup-file/

Create regular backups, keep QuickBooks updated, protect your computer, maintain healthy storage devices, and shut down your computer properly to reduce the risk of losing important financial data. Losing QuickBooks data can disrupt business operations, but in many cases, your financial records can be recovered successfully. Whether the issue is caused by accidental deletion, corrupted files, hardware problems, or software conflicts, several recovery methods are available to restore access to your company information.