QuickBooks File Doctor is a tool that authorizes you to troubleshoot QuickBooks issues. It is also a tool integrated in QuickBooks 2016 and later versions and is utilized to check and fix errors that occur in the Company file. You may use QB File Doctor in case you observe data damage or if you receive: 6000 errors that prevent you from opening the specific file. QuickBooks File Doctor is a handy gadget to have in case you are experiencing real issues regarding the program itself.