How to change margins in OpenOffice Spreadsheet?
To set the Margin size for the paper before printing, follow the steps below.
Step 1: In the menu bar, click Format -> Page... or use keyboard shortcut alt+o and press p.
Step 2: Page Style: Default dialog box opens up. Click the Page tab.
Step 3: Under Margins, set the Left, Right, Top and Bottom margin sizes by adjusting the up/down arrows. You will get a thumbnail view for the selected sizes in right side.
Step 4: Click OK to save the changes.