QuickBooks error 6000 83 is a company file error that appears when a user tries to perform some actions with the company file like opening the company file, restoring it, or backing up the company file data. Once you encounter this error, QuickBooks will display an error message that reads “An error occurred when QuickBooks tried to access the company file error codes: (-6000, 83)”. If you have also encountered the same error, then you can try renaming the company file and moving it to the local storage of your computer. If you need help executing the troubleshooting methods, then you can follow the detailed instructions listed in this article. You can also reach QuickBooks Support at (844)-932-1139 for advanced troubleshooting help and assistance.