Tip: To quickly apply borders to selected cells, click the appropriate button in the Button Bar.
To change the color of cell borders:
Select the cells whose borders you want to change.
If the Tools window is not open, choose Show Tools from the Window menu, or click the toolbox icon at the bottom of the active document:
Click the Pen formatting button:
Click the Color palette button and choose a color:
You can also add borders to spreadsheet cells using the Accents window.
Note: You can't apply the other pen attributes to cell borders.
You can also add a background color or pattern to cells.
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