You can undo resizing and cropping changes that you made to your picture, restoring your picture to its original state.
To restore a resized picture to its original dimensions, click the Size tab, make sure the Lock aspect ratio check box is cleared, and then click Reset.
To restore a cropped picture to its original dimensions, click the Picture tab, and then click Reset.
Note You will not be able to restore your work if you selected one of these options from the Compress Pictures dialog box: Web/Screen, Print, or Delete cropped areas of pictures.