Address Book (in QDF after Quicken 99): ABD.*Quicken DOS 1 creates a subdirectory for each account containing these three files (for example, C:\Quicken\Checking\CHECKREG.DAT). *There is one of each of these files for each account in the data set (for example, Checking.QCH, Savings.QCH, Checking.QIX, and so on).
