Almost everything we do on our computers can be undone with a few simple steps. Whether you’ve just accidentally deleted a file or changed something you didn’t mean to, knowing how to undo on a computer is a handy skill to have.

There are a few ways to undo on a computer, and the method you use will depend on the software you’re using. In most cases, you can use the keyboard shortcut Ctrl+Z to undo your last action. This shortcut will work in most software programmes, including word processors, web browsers and photo editors.

If you’ve made a change …