When using QuickBooks, the dreaded "company file not found in QuickBooks " error can be rather annoying. This error notice means that the company file you are trying to view is not located by QuickBooks. But worry not! To fix this problem, you can perform a few troubleshooting actions. Make sure the company file is first kept in the appropriate location. After then, see if there have been any file extension or name modifications. Finally, if everything else fails, think about restoring a backup file. Always keep in mind that you can quickly get your QuickBooks company file up and running with a little perseverance and these troubleshooting suggestions!