How to: Center the worksheet on the printed page.
Solution:
Select 'Page Setup...' from the 'File' menu, click the 'Margins' tab, and select the desired option in the 'Center on Page' group.
1) Select the 'File' menu and select 'Page Setup...'. (The Page Setup dialog box appears.)
2) Click 'Margins' tab.
3) Do one or both of the following in the 'Center on Page' group:
a) Select the 'Horizontally' check box to center the worksheet horizontally on the printed page.
b) Select the 'Vertically' check box to center the worksheet vertically on the printed page.
4) Click 'OK'.