Do you want to know a precise and effective resolution to fix the company file error in QuickBooks software? This blog will help you understand why the error occurs and what steps you can take to fix it.The 6000 error series also belongs to the company file errors. These errors usually occur when you attempt to access your company file in QuickBooks. There are several reasons for this issue, like an interrupted internet connection and problems with the .ND file, etc.You can verify the QB company file extension or simply run a QuickBooks repair program to fix company file errors. To explore these pieces of information in detail, read the entire blog carefully.