Auto Recovery Feature of QuickBooks Desktop Software
This is a very amazing feature of QuickBooks Desktop Software. QuickBooks Desktop saves a clean copy of company file with the extension ADR (auto data recovery) as and when it finds a mishap with QuickBooks Database. So we can use the ADR file to restore the QuickBooks company file by renaming the ADR file to the company file name. Now try opening the file, it might help resolving QuickBooks Error – 6123