MS Excel
How do you insert a row?

All of the listed here
Right-click the row heading where you want to insert the new row and select Insert from the shortcut menu
Select the row heading where you want to insert the new row and click the Insert Row button on the standard toolbar
Select the row heading where you want to insert the new row and select Edit >Row from the menu

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MS Excel
You can select a single range of cells by

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
Dragging over the desired cells

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