QuickBooks Database Server Manager (QBDSM) is a very essential and useful tool that is produce by Intuit. It allows multiple users to access a QuickBooks company file at the same time and it offers multiple user access and creates a Network data file (.*nd) for any company file which is Kept on the host computer. In case if you are using many different of QuickBooks desktop then you also have to install QuickBooks Database Server Manager for each version.