You can customize your table's cell border style, color, and thickness.

1. Put the document in edit mode.
2. Place your cursor anywhere in the table, and click Table > Table Properties.
3. Click the Cell Borders tab:
4. Click the cell or range of cells you are adjusting.
5. Select cell border style and color (applies to all cells), or the thickness of the cells you selected:
   

Hiding cell borders

1. Place cursor in specific cell.
2. In the Cell Border Thickness section, do any of the following:
• To hide all borders on any cells, click Set All to 0.
• To hide specific borders of cells, set a specific border location (Top, Bottom, Left, Right) to 0.
• To view borders again, click Set All to 1.

Outlining a table

1. Select two or more cells in the table.
2. In the Cell Border Thickness section, click Outline.