QuickBooks File Doctor is a program designed to recover corrupted company files and assist you in fixing network problems. Examine the File Doctor results to figure out how to fix the problem. QuickBooks File Doctor can fix a variety of QuickBooks problems, such as corporate files, network connectivity, and multi-user access. It may not, however, be able to fix all of your difficulties. If you still have issues after executing the program, you should contact QuickBooks support.