Checking and Correcting the Image

You may: In order to do this:
Despeckle the image Select the Despeckle Image item in the Scan/Open Image tab (View>Options) in the Image Processing group before opening the image.
Correct the skew
(removes the skew up to 7 degrees)
Select the Correct Skew in the Scan/Open Image tab (View>Options) in the Image Processing group before opening the image.
Invert image Select the Invert Image item in the Image menu.
Rotate the image 90 degrees clockwise 
Select the Rotate Clockwise item in the Image menu.
Rotate the image 90 degrees counter-clockwise 
Select the Rotate Counter-clockwise item in the Image menu.
Rotate the image upside-down Select the Rotate Upside Down item in the Image menu.
Flip the window around the horizontal axis Select the Flip Horizontal item in the Image menu.
Flip the window around the vertical axis Select the Flip Vertical item in the Image menu.
Zoom image in/out
/
Select the Zoom In/Zoom Out buttons on the Standard toolbar. The image scale will double/halve.
Get image info Right-click the image and select the Properties item in the local menu. A dialog will open, click the Image tab in the dialog.
Undo the last action
Click the Undo button on the Standard toolbar.
Redo the last action
Click the Redo button on the Standard toolbar to redo the last action.