To quickly copy a layout, you can right-click a layout tab and select Move or Copy and then choose the Create a copy checkbox option (see image below) before hitting OK.
Two quick ways new layouts can be created are to use the LAYOUT command and choose New, or to right-click a layout tab and select New Layout. You can use several methods to create a new layout or copy an existing layout. Multiple layouts can be created, each with their own page setup menu which can be used to change the size, appearance, and format of paper space to be printed. In addition to a view or views of your model space, you can also add any added tables, notes, dimensions, or titleblocks to your layouts that will be included in your finished drawing. View the original page here: In AutoCAD, you can use the Layouts feature to create drawing sheets that display scaled views of your model in an area you can customize for printing.
This article and its content originally posted on the Autodesk AutoCAD blog.
Layouts: Exploring the Features and Benefits of AutoCAD
