You must keep following things in mind before fixing the "QuickBooks Company File Not Found" error. This is so that you can quickly fix this error without any hassle. Make sure that the QB version you are currently using is updated and ofthe latest version. Also, ensure that one workstation must host your company file. Before fixing the issue, verify whether the issue is with the company file or the QuickBooks application itself. Ensure that there must not be an incomplete or corrupted installation of the QB program. Hopefully, we assure you that the above-listed steps will help you exterminate the " QuickBooks Company File Not Found " error.