Tab moving down, not right
 

Using OL'07, I have special-selected a range which is only numbered formulas
(goto, special). I now have the range. I need to scroll through cell by
cell, going right, then down. Tab is going down, then right, within each
sheet. Any way to adjust this? Have tried both Enter settings in Excel
Options/Advanced, as well as page layout order of print in 'sheet' tab. Not
sure where else to look.
--
Boris