How to repair QuickBooks Desktop files?

https://quickbookhelpdesk.com/blog/quickbooks-file-not-opening/

QuickBooks Desktop is a trusted accounting solution used by many businesses to manage invoices, expenses, payroll, inventory, and financial reports. All of this important information is stored in a company file. If that file becomes damaged or corrupted, you may experience problems opening QuickBooks, accessing your financial records, or performing everyday accounting tasks. A damaged company file can lead to unexpected errors, slow performance, missing transactions, or even application crashes. These issues can interrupt your workflow and create concerns about the safety of your financial information. Fortunately, a damaged QuickBooks Desktop file does not always mean your data is permanently lost. In many cases, the file can be repaired by following the correct troubleshooting steps.