About 282,000 results
Open links in new tab
  1. Undo - Wikipedia

    Undo is an interaction technique which is implemented in many computer programs. It erases the last change done to the document, reverting it to an older state. In some more advanced programs, such …

  2. UNDO Definition & Meaning - Merriam-Webster

    The meaning of UNDO is to open or loosen by releasing a fastening. How to use undo in a sentence.

  3. What Is Undo? - Computer Hope

    Nov 2, 2025 · Undo is a function performed to reverse an earlier action. For example, the undo function can undo deleted text in a word processor. Some programs may also have the capability of …

  4. Undo, redo, or repeat an action - Microsoft Support

    To undo an action press Ctrl+Z on your keyboard, or select Undo on the Quick Access Toolbar. You can press Undo (or Ctrl+Z) repeatedly if you want to undo multiple steps.

  5. UNDO Definition & Meaning | Dictionary.com

    UNDO definition: to reverse the doing of; cause to be as if never done. See examples of undo used in a sentence.

  6. UNDO | English meaning - Cambridge Dictionary

    UNDO definition: 1. to unfasten something that is fastened or tied: 2. to remove the good or bad effects of an…. Learn more.

  7. UNDO definition and meaning | Collins English Dictionary

    To undo something that has been done means to reverse its effect. A heavy-handed approach from the police could undo that good impression. [VERB noun] She knew it would be difficult to undo the …

  8. Undo - definition of undo by The Free Dictionary

    1. To reverse or erase; annul: impossible to undo the suffering caused by the war. 2. To untie, disassemble, or loosen: undo a shoelace. 3. To open (a parcel, for example); unwrap.

  9. What is Undo in Computing & How Does it Work? | Lenovo US

    Undo is a command that allows you to easily reverse the last action you performed on a computer. Whether you accidentally deleted text or made another mistake, with the Undo command, you can …

  10. What does undo mean? - Definitions for undo

    Undo generally refers to the action or process of reversing or canceling the effects of a particular command, action, or decision. It serves to revert a system or situation back to its previous state.