To use Universal Scroll
If your mouse does not have a wheel, you can assign the Universal Scroll option to one of the mouse buttons using the Buttons tab of the Mouse Properties. To make this button assignment, refer to "Making Button Assignments."
On the Buttons tab, specify the amount of scrolling on the Universal Scroll tab. If you select the Microsoft Office Compatible Scroll Only Universal Scroll will work only in Microsoft Office applications. If you use Microsoft® OfficeTM-compatible applications extensively, you might wish to select the Microsoft Office Compatible Scroll feature for smoother scrolling.
1. Assign Universal Scroll to a mouse button or mouse wheel button using the Buttons tab.
2. Choose the amount of scrolling from the list displayed.
3. Press the button to which Universal Scrolling has been assigned.
4. Move the mouse in the direction you want to scroll. You must continuously move the mouse to keep scrolling.
5. To turn off Universal Scroll, press any mouse button.