

When are creating viewports or copying layout tabs and when you double click the viewport to activate it will zoom extent. It changes only the magnification of the view. Using ZOOM does not change the absolute size of objects in the drawing.

Does using zoom extent change the scale of the drawing?

Once selected, this option redraws the graphics area of the screen and displays two rectangles. It permits very quick movement around the drawing. This is a very useful ZOOM option once it is understood. This control is useful when you want to navigate to small objects lost in a complex scene. … Zoom Extents All Selected centers a selected object, or set of objects, in all viewports. The flyout has two options: Zoom Extents All centers all visible objects in all viewports. What is the difference between the extents and all zoom options? When zooming to extents in AutoCAD, the content of a drawing disappears, reduces to small dots, or shows unexpected empty space in and around the drawing. Zoom Extents All centers all visible objects in all viewports. This is one of the most useful Zoom commands, as it shows the drawing in the largest possible view. Zoom Extents changes the view so that the entire drawing fits in the window.
