User Guide for Navision / Dynamics NAV accounting and ERP software. Includes general information about how Nav works plus detailed step-by-step instructions with screen shots for many of the basic tasks almost every user will need to perform, including: How to create a customer, enter a sales invoice, receive a payment How to create a vendor, enter a purchase invoice, process a payment How to find the information you need with flow and field filters How to apply a payment or credit memo to an invoice How to delete or reverse a posted invoice or credit memo How to void a check and how to use prepayments How to set up fixed assets and sales tax Easy to follow instructions with step-by-step screen shots. Ideal for all users of Navision / Dynamics NAV, including clerks, accountants, controllers, and CFOs. Instructions in this manual apply to Navision 2.x, 3.x, and 4.x and Dynamics NAV 4.x, 5.x, and 2009 Classic Client.