How to undo and redo quickly.Keyboard shortcutThe fastest way to undo or redo a previous action is by using a keyboard shortcut. 1. UndoPress ctrl+z on windows or command+z on mac. 2. RedoPress shift+ctrl+z on windows or shift+command+z on mac. ManuallyUse the menu bar to manually take a step backward to or forward from your last edit. 1. Edit it:Go to the edit menu. 2. Undo or redo it:Select undo to go back one step or redo to go forward one step. Using the history panelFrom the history panel you can view a list of each recent change you’ve made to the image, known as history states. By default the history panel lists the previous 20 states, but you can increase the number of history states saved from the preferences dialog box under performance. 1. Open it:From the menu at the top of the page, choose window › history. 2. Select it:Choose an edit and click it to revert to the previous state of your project. read less

In Adobe Photoshop, you can undo and redo actions using the following methods: Undo: Keyboard Shortcut: To undo the last action, press Ctrl + Z (Windows) or Cmd + Z (Mac). You can use this shortcut repeatedly to step backward through your actions. Menu Option: Go to the "Edit" menu and select "Undo" from the dropdown. This will undo the last action. Step Backward: You can also use the "Step Backward" command by pressing Ctrl + Alt + Z (Windows) or Cmd + Option + Z (Mac). This allows you to step backward through multiple actions. Redo: Keyboard Shortcut: To redo an action that you've undone, press Ctrl + Shift + Z (Windows) or Cmd + Shift + Z (Mac). This will step forward through your actions. Menu Option: Go to the "Edit" menu and select "Redo" from the dropdown. This will redo the last action that you've undone. Step Forward: Similar to "Step Backward," you can use the "Step Forward" command by pressing Ctrl + Shift + Alt + Z (Windows) or Cmd + Shift + Option + Z (Mac) to redo multiple undone actions. History Panel: In addition to the above methods, you can also use the History panel to navigate through your document's history and revert to specific states. You can find the History panel in the "Window" menu. Keep in mind that the number of undo levels available is determined by your Photoshop preferences. You can adjust this in the Preferences menu under "Performance." Having a higher number of history states allows you to undo and redo more actions, but it may consume more memory. By using these methods, you can efficiently navigate through your editing history and make corrections as needed in Adobe Photoshop. read less