QuickBooks File Doctor is a tool from Intuit to fix various common issues related to QuickBooks company files and network setups. It fixes corrupted or damaged company files (.QBW), fixes a host of multi-user network connectivity problems, and fixes various specific error codes, including those in the -6000 series. By restoring access to and repair of your files, QuickBooks File Doctor aims to ensure that your business data is always available and secure so that your business can continue without interruption. This tool is quick and easy to use and can be found through the QuickBooks Tool Hub. Hence it is a must-have for every QuickBooks owner.