QuickBooks has a different version, and in every new version, there are new features. These new features help accountants to work on payroll and other financial work for small and mid-sized companies. QuickBooks has really changed the accounting is done and eliminated the manual job. However, in many cases, the software to faces some issues that can halt the accounting work. You can face such kind of errors, QuickBooks Error 6073 while handling QuickBooks. The general meaning of this error is the user is opening already opened the same document using a single mode.