To download the latest data, follow the steps below :
Step 1 : On your Unify Dashboard, click on the CONNECTIONS tab.
Step 2 : Now hover over the name of the store for which you want to download the latest data and click on the Sync Settings button.
Step 3 : On the QuickBooks Sync Settings window, click on the refresh icon in the top right hand corner. It will download the latest Customers, Products and other data as well.