One of the well-known advantages of SAP Business One is the ability to work with multiple application windows (forms) open at a given time. For example, you can create a sale order while looking at the customer master data and displaying the relevant price list, or review an invoice and it’s respective journal entry side by side. This is very convenient until the screen is too crowded with multiple windows open side by side and on top of each other. To efficiently manage your open windows, SAP Business One provides the following options in the 'Window' menu: