The Zoom Extents command arranges the screen so that all objects drawn in the drawing area appear on the screen.
Location of the Zoom Extents Command
You can access it from the ribbon menu, View tab, Zoom title.
Click the Zoom Extents icon.
You can also run the Zoom Extent command by double-clicking on an empty area with the left mouse button.
You can also access the zoom extent command by pressing the Ctrl+X keys on the keyboard .
Before zoom extent
After zoom extent