How to: AutoFit row height.
Solution:
Select 'Rows' from the 'Format' menu and select 'AutoFit' from the submenu.
1) Select the desired row.
2) Select the 'Format' menu and select 'Row'. (A submenu appears.)
3) Select 'AutoFit' to make the row height to fit the largest font size used in the cells.
the AutoFit command