QuickBooks stores all the accounting and financial data in a company file (QBW). Sometimes, while trying to access or open the QuickBooks company (QBW) file, you may face an issue “QuickBooks can’t open the company file, and you may encounter random errors. Some common errors include 6000 series errors (error code -6000 -301, -6073 -99001, -6073 -816, etc.), C series errors (C=422 or C=343), and error 3371. Such errors indicate issues with the QuickBooks company file or the application itself