How to Use the Undo and Redo Commands

This wikiHow teaches you how to use the 'Undo' and 'Redo' commands on your iPhone or iPad, Windows computer, or Mac. While some specific apps may support them, such as the Samsung Mail app and Word, there are not currently universal 'undo'...
Method 1 of 3:

On iPhone or iPad

  1. How to Use the Undo and Redo Commands Picture 1How to Use the Undo and Redo Commands Picture 1
    Shake your iPhone or iPad. Doing so opens a dialog box asking if you want to "Undo" the action you just performed.
  2. How to Use the Undo and Redo Commands Picture 2How to Use the Undo and Redo Commands Picture 2
    Tap Undo. The last action you performed, such as typing, cutting, copying, or pasting, will be undone.
    1. Alternatively, on iPad, tap 123 in the lower-left part of the keyboard, then tap Undo
  3. Shake your iPhone or iPad after an "Undo" action. Doing so opens a dialog box asking if you want to "Redo" the action you just "undid." This is useful if you inadvertently undo something that you didn't mean to.
  4. How to Use the Undo and Redo Commands Picture 3How to Use the Undo and Redo Commands Picture 3
    Tap Redo. The last Undo you performed will be negated and the action that was undone will be replaced.
    1. Alternatively, on iPad, tap 123 in the lower-left part of the keyboard, then tap Redo
    2. Some apps, like Word, have Undo (⤺) and Redo (⤼) buttons, usually located at the top of the screen or just above the keyboard, or enhanced dialog boxes when you shake your iPhone.
Method 2 of 3:

On Windows

  1. How to Use the Undo and Redo Commands Picture 4How to Use the Undo and Redo Commands Picture 4
    Click Edit in the menu bar.
  2. How to Use the Undo and Redo Commands Picture 5How to Use the Undo and Redo Commands Picture 5
    Click Undo. The last action you performed, such as typing, cutting, copying, or pasting, will be undone.
    1. Alternatively, press Ctrl+Z.
  3. How to Use the Undo and Redo Commands Picture 6How to Use the Undo and Redo Commands Picture 6
    Click the "Undo" arrow (⤺) in a Microsoft Office application. It's in the colored bar at the top of the window. This is a quick alternative to the other "Undo" methods, which also function in Office applications.
  4. How to Use the Undo and Redo Commands Picture 7How to Use the Undo and Redo Commands Picture 7
    Click Edit in the menu bar.
  5. How to Use the Undo and Redo Commands Picture 8How to Use the Undo and Redo Commands Picture 8
    Click Redo. The last Undo you performed will be negated and the action that was undone will be replaced.
    1. Alternatively, press Ctrl+Y.
  6. How to Use the Undo and Redo Commands Picture 9How to Use the Undo and Redo Commands Picture 9
    Click the "Redo" arrow (⤼) in a Microsoft Office application. It's in the colored bar at the top of the window. This is a quick alternative to the other "Redo" methods, which also function in Office applications. If you did not just perform an "Undo" action, clicking the arrow will repeat the last action you performed in an Office app.
    1. Not all actions can be undone or redone. If you're clicking the correct buttons and it's not working, then you've performed such an action.
Method 3 of 3:

On Mac

  1. How to Use the Undo and Redo Commands Picture 10How to Use the Undo and Redo Commands Picture 10
    Click Edit in the menu bar.
  2. How to Use the Undo and Redo Commands Picture 11How to Use the Undo and Redo Commands Picture 11
    Click Undo. The last action you performed, such as typing, cutting, copying, or pasting, will be undone.
    1. Alternatively, press +Z.
  3. How to Use the Undo and Redo Commands Picture 12How to Use the Undo and Redo Commands Picture 12
    Click the "Undo" arrow (⤺) in a Microsoft Office application. It's in the colored bar at the top of the window. This is a quick alternative to the other "Undo" methods, which also function in Office applications.
  4. How to Use the Undo and Redo Commands Picture 13How to Use the Undo and Redo Commands Picture 13
    Click Edit in the menu bar.
  5. How to Use the Undo and Redo Commands Picture 14How to Use the Undo and Redo Commands Picture 14
    Click Redo. The last Undo you performed will be negated and the action that was undone will be replaced.
    1. Alternatively, press +Y.
  6. How to Use the Undo and Redo Commands Picture 15How to Use the Undo and Redo Commands Picture 15
    Click the "Redo" arrow (⤼) in a Microsoft Office application. It's in the colored bar at the top of the window. This is a quick alternative to the other "Redo" methods, which also function in Office applications. If you did not just perform an "Undo" action, clicking the arrow will repeat the last action you performed in an Office app.
    1. Not all actions can be undone or redone. If you're clicking the correct buttons and it's not working, then you've performed such an action.
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