Correcting mistakes Most operations can be undone if you make a mistake. Alternatively, you can restore all or part of an image to its last saved version. But available memory may limit your ability to use these options. For information on how to restore your image to how it looked at any point in the current work session, see Reverting to any state of an image. To undo the last operation: Choose Edit > Undo, or click the Step Backward button ( If an operation can't be undone, the command is dimmed and changes to Can't Undo. To redo the last operation: Choose Edit > Redo, or click the Step Forward button ( To free memory used by the Undo command, the History palette, or the Clipboard: Choose Edit > Purge, and choose the item type or buffer you want to clear. If already empty, the item type or buffer is dimmed. Important: The Purge command permanently clears from memory the operation stored by the command or buffer; it cannot be undone. Use the Purge command when the amount of information held in memory is so large that Photoshop Elements' performance is noticeably diminished. To revert to the last saved version: Choose File > Revert. Note: Revert is added as a history state in the History palette and can be undone. Looking at the Work Area > Correcting mistakes |