MS Excel
Tab scrolling button

Allow you to view additional worksheet columns to the right
Allow you to view a different worksheet
Allow you to view additional sheets tabs
Allow you to view additional worksheet rows down

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MS Excel
How do you insert a row?

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

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