1. Select a cell, multiple cells, or the whole table.
2. Click the Design tab in the Table Tools ribbon group.
3. Click the Border Styles list arrow.
4. Select a border style.
5. Click the Borders list arrow.
6. Select the borders you want to add.

How to Add Table Borders and Shading in Word

1. Select a cell, multiple cells, or the whole table.
2. Click the Design tab in the Table Tools ribbon group.
3. Click the Border Styles list arrow.
4. Select a border style.
5. Click the Borders list arrow.
6. Select the borders you want to add

Choose a cell, numerous cells, or the entire table.
In the Table Tools ribbon group, select the Design tab.
Click the arrow in the Border Styles list.
Choose a border style.
Select the Borders list by clicking the arrow.
Choose the borders you want to use.