MS Excel
You can select a single range of cells by

Dragging over the desired cells
Pressing the Shift key and an arrow key
Pressing the Ctrl key while dragging over the desired cells
Clicking the upper-left cell in a group of cells and then pressing the Shift key while clicking the lower right cell in a group of cells

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MS Excel
You can set Page Border in Excel from

From Border tab in Farmat cells dialog box
From Border tool in Formatting toolbar
From Line style tool in Drawing toolbar
You can not set Page Border in Excel

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