You may face the QuickBooks error 6073 if you try to open a company file that got.QBE extension into multi-user mode. Some other issues are also responsible for the error: if the file is into read-only mode in the network folder if the file is already opened in single-user mode. To completely fix the error, we recommend you to go through this short article; else, you can connect with our QuickBooks experts by dialing this number TFN.