1.Open the Word Document.
2.Click the “Page Layout” in the menu bar, Click the drop-down “Margins” to select“Narrow”
3.The effect of margin narrowing is shown below.
4.You can also customize the Margins, Follow the same steps to select the“ custom Margins”
5.You can change the distance top and bottom ,right and left margins, finally click “ok”
6.The effect of custom page margins is shown in the figure.