This way you can repeat the same adjustment over and over again very easily. Shift & CMD + Z: Use this shortcut to redo the effect or adjustment you have done previously. It is pretty useful, especially when you open a folder full of images with Preview.
It is pretty useful when you keep making mistakes and need more editing. CMD+ Z: Use this shortcut to undo changes to the document or image you are working on.Use this shortcut to go to the next page of the document you are viewing inside of Preview. Option–Down Arrow: This shortcut works on the El Capitan version of Preview.Minimize everything and show desktop: (or between the desktop and Start screen in Windows 8.Open a recently closed tab in your internet broswer: Ctrl + Shift "T".For example, to copy text (Ctrl + "C"), you would highlight the text and press and hold the "Ctrl" (or control) key on your keyboard, then tap the "C" key before releasing both keys. The list displays key combinations that are intended to be pressed and held until all are completed. Where can I find these keys on my keyboard? Windows This page includes a guide to a few useful combinations that will help you complete tasks more quickly. They are useful and often great time-savers. Keyboard shortcuts are combinations of keystrokes that allow you to quickly perform an action.